diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index cebb8d9b92..e7eff7588e 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -68,49 +68,49 @@ static const SSysTableShowAdapter sysTableShowAdapter[] = {
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_DNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_MNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_MNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_MODULES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_MODULES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_QNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_QNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_SNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_SNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_BNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_BNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_CLUSTER_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_CLUSTER,
     .numOfShowCols = 1,
-    .pShowCols = {"name"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_DATABASES_STMT,
@@ -131,7 +131,7 @@ static const SSysTableShowAdapter sysTableShowAdapter[] = {
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_INDEXES,
     .numOfShowCols = 1,
-    .pShowCols = {"index_name"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_STABLES_STMT,
diff --git a/tests/develop-test/5-taos-tools/taosbenchmark/auto_create_table_json.py b/tests/develop-test/5-taos-tools/taosbenchmark/auto_create_table_json.py
index 734f7da974..8509136a34 100644
--- a/tests/develop-test/5-taos-tools/taosbenchmark/auto_create_table_json.py
+++ b/tests/develop-test/5-taos-tools/taosbenchmark/auto_create_table_json.py
@@ -111,7 +111,7 @@ class TDTestCase:
         tdSql.checkData(0, 0, 8)
         tdSql.query("select count(*) from db.stb2")
         tdSql.checkData(0, 0, 160)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(2, 14, "us")
 
         tdSql.execute("reset query cache")
@@ -128,7 +128,7 @@ class TDTestCase:
         tdSql.checkData(0, 0, 8)
         tdSql.query("select count(*) from db.stb3")
         tdSql.checkData(0, 0, 160)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(2, 14, "ns")
 
         tdSql.execute("reset query cache")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBigInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBigInt.py
index 82c17a459b..75885edf9f 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBigInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBigInt.py
@@ -97,7 +97,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBinary.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBinary.py
index 4909eb3762..41d4ba128d 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBinary.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBinary.py
@@ -85,7 +85,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBool.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBool.py
index 138f7ba81c..043fb49af3 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBool.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBool.py
@@ -86,7 +86,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeDouble.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeDouble.py
index 24ebb0fa77..1eaa2bbfff 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeDouble.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeDouble.py
@@ -96,7 +96,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeFloat.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeFloat.py
index 2ce42bb771..4373aa5669 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeFloat.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeFloat.py
@@ -96,7 +96,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeInt.py
index b6a24a6eee..45009a716a 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeInt.py
@@ -92,7 +92,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeJson.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeJson.py
index cf0c7f4ac5..d1c4313c40 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeJson.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeJson.py
@@ -92,7 +92,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeSmallInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeSmallInt.py
index 2fc1ffb75e..941de25683 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeSmallInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeSmallInt.py
@@ -94,7 +94,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeTinyInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeTinyInt.py
index dfc18fcd01..e5392d38fe 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeTinyInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeTinyInt.py
@@ -94,7 +94,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedBigInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedBigInt.py
index 1a6e9a69d9..dd8dd5d76d 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedBigInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedBigInt.py
@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedInt.py
index e71650bc8a..eacd1bb7dd 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedInt.py
@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedSmallInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedSmallInt.py
index d05a397c36..ea362ad2b4 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedSmallInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedSmallInt.py
@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedTinyInt.py b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedTinyInt.py
index 9995d3812b..a3ffc13d62 100644
--- a/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedTinyInt.py
+++ b/tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedTinyInt.py
@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")
diff --git a/tests/pytest/alter/alter_cacheLastRow.py b/tests/pytest/alter/alter_cacheLastRow.py
index 3152e46af1..30fd9c8884 100644
--- a/tests/pytest/alter/alter_cacheLastRow.py
+++ b/tests/pytest/alter/alter_cacheLastRow.py
@@ -41,7 +41,7 @@ class TDTestCase:
 
     def run(self):
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,15,0)
         buildPath = self.getBuildPath()
         if (buildPath == ""):
@@ -68,7 +68,7 @@ class TDTestCase:
         for i in range(5): 
             #switch lastRow to off and check
             tdSql.execute('alter database db cachemodel 'none'') 
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,15,0)
 
             #run last_row(*) query 500 times       
@@ -80,7 +80,7 @@ class TDTestCase:
 
             #switch lastRow to on and check
             tdSql.execute('alter database db cachemodel 'last_row'')
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,15,1)
         
             #run last_row(*) query 500 times 
diff --git a/tests/pytest/alter/alter_create_exception.py b/tests/pytest/alter/alter_create_exception.py
index d8400c1fa9..91c83470b8 100644
--- a/tests/pytest/alter/alter_create_exception.py
+++ b/tests/pytest/alter/alter_create_exception.py
@@ -49,7 +49,7 @@ class TDTestCase:
         tdSql.error('create database db keep "3650"')
         tdSql.error('create database db wal_fsync_period "3650"')
         tdSql.execute('create database db precision "us"')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,16,'us')
         tdSql.execute('drop database if exists db')
 
@@ -79,7 +79,7 @@ class TDTestCase:
         tdSql.error('alter database db keep ,,60,')
         tdSql.error('alter database db keep \t')
         tdSql.execute('alter database db keep \t50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'50,50,50')
 
     def stop(self):
diff --git a/tests/pytest/alter/alter_debugFlag.py b/tests/pytest/alter/alter_debugFlag.py
index 38d972b582..c17a109c9f 100644
--- a/tests/pytest/alter/alter_debugFlag.py
+++ b/tests/pytest/alter/alter_debugFlag.py
@@ -37,7 +37,7 @@ class TDTestCase:
             if randomFlag != 131 and randomFlag != 135 and randomFlag != 143:
                 tdSql.error("alter local %s %d" % (flag, randomFlag))
         
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         dnodeId = tdSql.getData(0, 0)
 
         for flag in flagList:
diff --git a/tests/pytest/alter/alter_keep.py b/tests/pytest/alter/alter_keep.py
index b23f364fc6..5f7843ec98 100644
--- a/tests/pytest/alter/alter_keep.py
+++ b/tests/pytest/alter/alter_keep.py
@@ -27,12 +27,12 @@ class TDTestCase:
         tdLog.notice('running Keep Test, Community Version')
         tdLog.notice('running parameter test for keep during create')
         #testing keep parameter during create
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'3650')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
         tdSql.execute('drop database db')
 
@@ -47,7 +47,7 @@ class TDTestCase:
         tdLog.notice('running parameter test for keep during alter')
 
         tdSql.execute('alter database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
 
         tdSql.error('alter database db keep ')
@@ -55,7 +55,7 @@ class TDTestCase:
         tdSql.error('alter database db keep 10,20')
         tdSql.error('alter database db keep 10,20,30')
         tdSql.error('alter database db keep 20,30,40,50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
 
     def alterKeepEnterprise(self):
@@ -63,22 +63,22 @@ class TDTestCase:
         #testing keep parameter during create
         tdLog.notice('running parameter test for keep during create')
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'3650,3650,3650')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,100,100')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 20, 30')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'20,30,30')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 30,40,50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'30,40,50')
         tdSql.execute('drop database db')
 
@@ -95,15 +95,15 @@ class TDTestCase:
         tdLog.notice('running parameter test for keep during alter')
 
         tdSql.execute('alter database db keep 10')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'10,10,10')
 
         tdSql.execute('alter database db keep 20,30')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'20,30,30')
 
         tdSql.execute('alter database db keep 100,200,300')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,200,300')
 
         tdSql.error('alter database db keep ')
@@ -113,7 +113,7 @@ class TDTestCase:
         tdSql.error('alter database db keep 100,40,50')
         tdSql.error('alter database db keep 20,100,50')
         tdSql.error('alter database db keep 50,60,20')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,200,300')
 
 
@@ -148,7 +148,7 @@ class TDTestCase:
         #test case for TD-4459 and TD-4445
         tdLog.notice('testing keep will be altered changing from small to big')
         tdSql.execute('alter database db keep 40,40,40')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'40,40,40')
         tdSql.error('insert into tb values (now-60d, 10)')
         tdSql.execute('insert into tb values (now-30d, 10)')
@@ -160,7 +160,7 @@ class TDTestCase:
             rowNum += 1
             tdSql.execute('alter database db keep 20,20,20')
             tdSql.execute('alter database db keep 40,40,40')
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,7,'40,40,40')
             tdSql.error('insert into tb values (now-60d, 10)')
             tdSql.execute('insert into tb values (now-30d, 10)')
@@ -169,7 +169,7 @@ class TDTestCase:
 
         tdLog.notice('testing keep will be altered changing from big to small')
         tdSql.execute('alter database db keep 10,10,10')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'10,10,10')
         tdSql.error('insert into tb values (now-15d, 10)')
         tdSql.query('select * from tb')
diff --git a/tests/pytest/alter/db_update_options.py b/tests/pytest/alter/db_update_options.py
index 224e0f25b0..f8116722b4 100644
--- a/tests/pytest/alter/db_update_options.py
+++ b/tests/pytest/alter/db_update_options.py
@@ -21,7 +21,7 @@ class TDTestCase:
         # check default update value 
         sql = "create database if not exists db"
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -29,14 +29,14 @@ class TDTestCase:
 
         # check update value 
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,1)
 
 
         sql = "alter database db update 0"
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -46,7 +46,7 @@ class TDTestCase:
         sql = "alter database db update 100"
         tdSql.error(sql)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -56,7 +56,7 @@ class TDTestCase:
 
         tdSql.execute('create database db update 1')
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,1)
 
diff --git a/tests/pytest/client/alterDatabase.py b/tests/pytest/client/alterDatabase.py
index bc8c4fc17e..1ac1bcbdcd 100644
--- a/tests/pytest/client/alterDatabase.py
+++ b/tests/pytest/client/alterDatabase.py
@@ -29,18 +29,18 @@ class TDTestCase:
         tdSql.checkData(0, 0, "db")        
         
         tdSql.execute("alter database db comp 2")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 14, 2)
 
         tdSql.execute("alter database db keep 365,365,365")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "365,365,365")
         
         tdSql.error("alter database db quorum 2")
         
 
         tdSql.execute("alter database db blocks 100")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 9, 100)
 
 
diff --git a/tests/pytest/client/client.py b/tests/pytest/client/client.py
index 6cfb1252bd..0d7ace10b2 100644
--- a/tests/pytest/client/client.py
+++ b/tests/pytest/client/client.py
@@ -37,7 +37,7 @@ class TDTestCase:
 
         time.sleep(1)
 
-        ret = tdSql.query('show dnodes')
+        ret = tdSql.query('select * from information_schema.ins_dnodes')
 
         dnodeId = tdSql.getData(0, 0);
         dnodeEndpoint = tdSql.getData(0, 1);
diff --git a/tests/pytest/cluster/killAndRestartDnodesTest.py b/tests/pytest/cluster/killAndRestartDnodesTest.py
index be927e862f..d0236c0f71 100644
--- a/tests/pytest/cluster/killAndRestartDnodesTest.py
+++ b/tests/pytest/cluster/killAndRestartDnodesTest.py
@@ -30,7 +30,7 @@ class ClusterTestcase:
         tdSql.init(ctest.conn.cursor(), False)
 
         nodes.node1.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "offline")
         tdSql.checkData(1, 4, "ready")    
@@ -43,7 +43,7 @@ class ClusterTestcase:
         tdSql.checkData(2, 4, "ready")
 
         nodes.node2.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "ready")
         tdSql.checkData(1, 4, "offline")    
@@ -56,7 +56,7 @@ class ClusterTestcase:
         tdSql.checkData(2, 4, "ready")
 
         nodes.node3.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "ready")
         tdSql.checkData(1, 4, "ready")    
diff --git a/tests/pytest/cluster/offlineThresholdTest.py b/tests/pytest/cluster/offlineThresholdTest.py
index 8373424f93..50cf18fcfe 100644
--- a/tests/pytest/cluster/offlineThresholdTest.py
+++ b/tests/pytest/cluster/offlineThresholdTest.py
@@ -33,7 +33,7 @@ class ClusterTestcase:
         nodes.node3.stopTaosd()
 
         tdLog.sleep(10)
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(2, 4, "offline")
 
diff --git a/tests/pytest/cluster/oneReplicaOfflineTest.py b/tests/pytest/cluster/oneReplicaOfflineTest.py
index 0223dfe01a..135abcc294 100644
--- a/tests/pytest/cluster/oneReplicaOfflineTest.py
+++ b/tests/pytest/cluster/oneReplicaOfflineTest.py
@@ -55,7 +55,7 @@ class ClusterTestcase:
         tdSql.execute("drop database %s" % ctest.dbName)
         
         nodes.node2.startTaosd()
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(0)
         
         tdSql.close()
diff --git a/tests/pytest/cluster/stopAllDnodesTest.py b/tests/pytest/cluster/stopAllDnodesTest.py
index a71ae52e3d..3c9807a24e 100644
--- a/tests/pytest/cluster/stopAllDnodesTest.py
+++ b/tests/pytest/cluster/stopAllDnodesTest.py
@@ -26,19 +26,19 @@ class ClusterTestcase:
         ctest = ClusterTest(nodes.node1.hostName)
         tdSql.init(ctest.conn.cursor(), False)
                 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         count = tdSql.queryRows;
 
         nodes.stopAllTaosd()
         nodes.node1.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node2.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node3.startTaosd()
         tdLog.sleep(10)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(count)
 
 ct = ClusterTestcase()
diff --git a/tests/pytest/cluster/stopTwoDnodesTest.py b/tests/pytest/cluster/stopTwoDnodesTest.py
index 9e9958e2d3..2b14fcbc40 100644
--- a/tests/pytest/cluster/stopTwoDnodesTest.py
+++ b/tests/pytest/cluster/stopTwoDnodesTest.py
@@ -29,19 +29,19 @@ class ClusterTestcase:
         ctest.run()
         tdSql.init(ctest.conn.cursor(), False)
         
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         count = tdSql.queryRows;
         tdSql.execute("use %s" % ctest.dbName)
         tdSql.execute("alter database %s replica 3" % ctest.dbName)    
         nodes.node2.stopTaosd()
         nodes.node3.stopTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
         
         nodes.node2.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node3.startTaosd()
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(count)
         
 ct = ClusterTestcase()
diff --git a/tests/pytest/crash_gen/crash_gen_main.py b/tests/pytest/crash_gen/crash_gen_main.py
index 2fa99230bc..203541f14a 100755
--- a/tests/pytest/crash_gen/crash_gen_main.py
+++ b/tests/pytest/crash_gen/crash_gen_main.py
@@ -996,7 +996,7 @@ class StateMechine:
             return  # do nothing
 
         # this should show up in the server log, separating steps
-        dbc.execute("show dnodes")
+        dbc.execute("select * from information_schema.ins_dnodes")
 
         # Generic Checks, first based on the start state
         if not Config.getConfig().ignore_errors: # verify state, only if we are asked not to ignore certain errors.
@@ -2042,7 +2042,7 @@ class TaskRestartService(StateTransitionTask):
 
         if Dice.throw(self.CHANCE_TO_RESTART_SERVICE) == 0: # 1 in N chance
             dbc = wt.getDbConn()
-            dbc.execute("show databases") # simple delay, align timing with other workers
+            dbc.execute("select * from information_schema.ins_databases") # simple delay, align timing with other workers
             gSvcMgr.restart()
 
         self._isRunning = False
@@ -2335,7 +2335,7 @@ class ClientManager:
     # def _printLastNumbers(self):  # to verify data durability
     #     dbManager = DbManager()
     #     dbc = dbManager.getDbConn()
-    #     if dbc.query("show databases") <= 1:  # no database (we have a default called "log")
+    #     if dbc.query("select * from information_schema.ins_databases") <= 1:  # no database (we have a default called "log")
     #         return
     #     dbc.execute("use db")
     #     if dbc.query("show tables") == 0:  # no tables
diff --git a/tests/pytest/crash_gen/service_manager.py b/tests/pytest/crash_gen/service_manager.py
index c0cfd33123..b19c079544 100644
--- a/tests/pytest/crash_gen/service_manager.py
+++ b/tests/pytest/crash_gen/service_manager.py
@@ -185,7 +185,7 @@ quorum 2
             return ["exec " + self.getExecFile(), '-c', self.getCfgDir()] # used in subproce.Popen()
     
     def _getDnodes(self, dbc):
-        dbc.query("show dnodes")
+        dbc.query("select * from information_schema.ins_dnodes")
         cols = dbc.getQueryResult() #  id,end_point,vnodes,cores,status,role,create_time,offline reason
         return {c[1]:c[4] for c in cols} # {'xxx:6030':'ready', 'xxx:6130':'ready'}
 
@@ -768,7 +768,7 @@ class ServiceManagerThread:
     def _verifyDnode(self, tInst: TdeInstance):
         dbc = DbConn.createNative(tInst.getDbTarget())
         dbc.open()
-        dbc.query("show dnodes")
+        dbc.query("select * from information_schema.ins_dnodes")
         # dbc.query("DESCRIBE {}.{}".format(dbName, self._stName))
         cols = dbc.getQueryResult() #  id,end_point,vnodes,cores,status,role,create_time,offline reason
         # ret = {row[0]:row[1] for row in stCols if row[3]=='TAG'} # name:type
diff --git a/tests/pytest/crash_gen/shared/db.py b/tests/pytest/crash_gen/shared/db.py
index 6da0216d95..60c830f4f7 100644
--- a/tests/pytest/crash_gen/shared/db.py
+++ b/tests/pytest/crash_gen/shared/db.py
@@ -114,7 +114,7 @@ class DbConn:
 
     def existsDatabase(self, dbName: str):
         ''' Check if a certain database exists '''
-        self.query("show databases")
+        self.query("select * from information_schema.ins_databases")
         dbs = [v[0] for v in self.getQueryResult()] # ref: https://stackoverflow.com/questions/643823/python-list-transformation
         # ret2 = dbName in dbs
         # print("dbs = {}, str = {}, ret2={}, type2={}".format(dbs, dbName,ret2, type(dbName)))
@@ -157,7 +157,7 @@ class DbConn:
     def getResultCols(self):
         raise RuntimeError("Unexpected execution, should be overriden")
 
-# Sample: curl -u root:taosdata -d "show databases" localhost:6020/rest/sql
+# Sample: curl -u root:taosdata -d "select * from information_schema.ins_databases" localhost:6020/rest/sql
 
 
 class DbConnRest(DbConn):
diff --git a/tests/pytest/dbmgmt/database-name-boundary.py b/tests/pytest/dbmgmt/database-name-boundary.py
index df3b027ba7..6802cb00b7 100644
--- a/tests/pytest/dbmgmt/database-name-boundary.py
+++ b/tests/pytest/dbmgmt/database-name-boundary.py
@@ -47,7 +47,7 @@ class TDTestCase:
         tdLog.info('create database %s' % db_name)
         tdSql.execute('create database %s' % db_name)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, db_name.lower())
 
@@ -57,7 +57,7 @@ class TDTestCase:
         tdLog.info('create database %s' % db_name)
         tdSql.execute('create database %s' % db_name)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(2)
         tdSql.checkData(0, 0, db_name.lower())
 
diff --git a/tests/pytest/dbmgmt/nanoSecondCheck.py b/tests/pytest/dbmgmt/nanoSecondCheck.py
index a5e9adacee..ef49be1103 100644
--- a/tests/pytest/dbmgmt/nanoSecondCheck.py
+++ b/tests/pytest/dbmgmt/nanoSecondCheck.py
@@ -32,7 +32,7 @@ class TDTestCase:
         tdSql.execute('reset query cache')
         tdSql.execute('drop database if exists db')
         tdSql.execute('create database db precision "ns";')
-        tdSql.query('show databases;')
+        tdSql.query('select * from information_schema.ins_databases;')
         tdSql.checkData(0,16,'ns')
         tdSql.execute('use db')
 
diff --git a/tests/pytest/functions/queryTestCases.py b/tests/pytest/functions/queryTestCases.py
index 96de8f064c..b1e8d838c9 100644
--- a/tests/pytest/functions/queryTestCases.py
+++ b/tests/pytest/functions/queryTestCases.py
@@ -68,7 +68,7 @@ class TDTestCase:
         tdSql.query("show variables")
         tdSql.checkData(26, 1, -1)
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
 
         tdDnodes.stop(index)
@@ -269,7 +269,7 @@ class TDTestCase:
         tdSql.execute("create database  if not exists db")
         tdSql.query("show variables")
         tdSql.checkData(38, 1, 3650)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0,7,"3650,3650,3650")
 
         days = tdSql.getData(0, 6)
@@ -288,12 +288,12 @@ class TDTestCase:
         tdSql.error("alter database db keep0 36500")
 
         tdSql.execute("alter database db keep 36500")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "3650,3650,36500")
         tdSql.execute("drop database if exists db")
 
         tdSql.execute("create database  if not exists db1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "3650,3650,3650")
         tdSql.query("show variables")
         tdSql.checkData(38, 1, 3650)
@@ -311,7 +311,7 @@ class TDTestCase:
         maxTablesPerVnode = 10
         maxVgroupsPerDb = 100
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
 
         tdDnodes.stop(index)
@@ -334,7 +334,7 @@ class TDTestCase:
         for i in  range(100):
             tdSql.execute(f"create table db.t1{i} using db.stb1 tags({i})")
             insert_sql += f" t1{i} values({1604298064000 + i*1000}, {i})"
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         vnode_count = tdSql.getData(0, 2)
         if vnode_count <= 1:
             tdLog.exit("vnode is less than 2")
@@ -443,7 +443,7 @@ class TDTestCase:
         # f50, f51, f52, f53 = tdSql.getData(0,1), tdSql.getData(0,2), tdSql.getData(0,3), tdSql.getData(0,4)
 
         # 关闭服务并获取未开启压缩情况下的数据容量
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
 
diff --git a/tests/pytest/insert/date.py b/tests/pytest/insert/date.py
index 6e22e5b72e..d4f1176f61 100644
--- a/tests/pytest/insert/date.py
+++ b/tests/pytest/insert/date.py
@@ -174,9 +174,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/insert/insert_locking.py b/tests/pytest/insert/insert_locking.py
index 0d780a7132..dc320edd1f 100644
--- a/tests/pytest/insert/insert_locking.py
+++ b/tests/pytest/insert/insert_locking.py
@@ -33,7 +33,7 @@ class TDTestCase:
         tdLog.info("\n\n----------step1 : drop db and create db----------\n")
         tdSql.execute('''drop database if exists db ;''')
         tdSql.execute('''create database db ;''')
-        sql = '''show databases;'''
+        sql = '''select * from information_schema.ins_databases;'''
         tdSql.query(sql)
         tdSql.checkRows(1)
 
diff --git a/tests/pytest/manualTest/TD-5114/continueCreateDn.py b/tests/pytest/manualTest/TD-5114/continueCreateDn.py
index 9494ee5f36..af232cdb3f 100644
--- a/tests/pytest/manualTest/TD-5114/continueCreateDn.py
+++ b/tests/pytest/manualTest/TD-5114/continueCreateDn.py
@@ -46,7 +46,7 @@ class TwoClients:
         for i in range(10):
             os.system("taosdemo -f manualTest/TD-5114/insertDataDb3Replica2.json -y ")
         # # check data correct 
-        tdSql.execute("show databases")
+        tdSql.execute("select * from information_schema.ins_databases")
         tdSql.execute("use db3")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 20000)
@@ -78,7 +78,7 @@ class TwoClients:
         #                     % (j, self.ts + i*1000, i + 1, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
 
         # # check data correct 
-        # tdSql.execute("show databases")
+        # tdSql.execute("select * from information_schema.ins_databases")
         # tdSql.execute("use db3")
         # tdSql.query("select count (tbname) from test")
         # tdSql.checkData(0, 0, 200) 
diff --git a/tests/pytest/manualTest/manual_alter_block.py b/tests/pytest/manualTest/manual_alter_block.py
index ccd98b1421..540dfa978a 100644
--- a/tests/pytest/manualTest/manual_alter_block.py
+++ b/tests/pytest/manualTest/manual_alter_block.py
@@ -51,7 +51,7 @@ class TDTestCase:
 
         #alter cache block to 3, then check alter
         tdSql.execute('alter database db blocks 3')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,9,3)
 
         #run taosdemo to occupy all cache, need to manually check memory consumption
@@ -60,7 +60,7 @@ class TDTestCase:
 
         #alter cache block to 8, then check alter
         tdSql.execute('alter database db blocks 8')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,9,8)
 
         #run taosdemo to occupy all cache, need to manually check memory consumption
diff --git a/tests/pytest/manualTest/manual_alter_comp.py b/tests/pytest/manualTest/manual_alter_comp.py
index 6c3e0fc296..cc8b2a277b 100644
--- a/tests/pytest/manualTest/manual_alter_comp.py
+++ b/tests/pytest/manualTest/manual_alter_comp.py
@@ -71,7 +71,7 @@ class TDTestCase:
 
         #comp is at 14
         #check disk usage when comp=2
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.execute('alter database db blocks 3') # minimize the data in cache
         tdSql.checkData(0,14,2)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
@@ -86,10 +86,10 @@ class TDTestCase:
 
         #check disk usage when comp=0
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,2)
         tdSql.execute('alter database db comp 0')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,0)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
         print("default location is at /home/bryan/Documents/Github/TDengine/sim/dnode1/data")
@@ -103,10 +103,10 @@ class TDTestCase:
 
         #check disk usage when comp=1
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,2)
         tdSql.execute('alter database db comp 1')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,1)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
         print("default location is at /home/bryan/Documents/Github/TDengine/sim/dnode1/data")
diff --git a/tests/pytest/perfbenchmark/bug3433.py b/tests/pytest/perfbenchmark/bug3433.py
index 3e7de39bed..a60e077453 100644
--- a/tests/pytest/perfbenchmark/bug3433.py
+++ b/tests/pytest/perfbenchmark/bug3433.py
@@ -224,7 +224,7 @@ class TDTestCase:
         self.inserttable(file_create_table)
 
         tdLog.printNoPrefix("==========step2:check database and stable records")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 2, 2000)
         tdSql.execute("use db")
         tdSql.query("show stables")
diff --git a/tests/pytest/query/query1970YearsAf.py b/tests/pytest/query/query1970YearsAf.py
index e7e9fa5329..7ecb02bfc8 100644
--- a/tests/pytest/query/query1970YearsAf.py
+++ b/tests/pytest/query/query1970YearsAf.py
@@ -235,7 +235,7 @@ class TDTestCase:
         self.sqlsquery()
 
         # after wal and sync, check again
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/pytest/query/queryJoin10tables.py b/tests/pytest/query/queryJoin10tables.py
index 01a7397d44..796edcb9d9 100644
--- a/tests/pytest/query/queryJoin10tables.py
+++ b/tests/pytest/query/queryJoin10tables.py
@@ -184,7 +184,7 @@ class TDTestCase:
         self.queryjointable()
 
         # after wal and sync, check again
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/pytest/query/queryStddevWithGroupby.py b/tests/pytest/query/queryStddevWithGroupby.py
index aee88ca9c5..e446d4b187 100644
--- a/tests/pytest/query/queryStddevWithGroupby.py
+++ b/tests/pytest/query/queryStddevWithGroupby.py
@@ -54,7 +54,7 @@ class TDTestCase:
         self.querysqls()
 
         tdLog.printNoPrefix("==========step3:after wal,check again")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/pytest/query/queryTscomputWithNow.py b/tests/pytest/query/queryTscomputWithNow.py
index 3b808d551c..c7974268ae 100644
--- a/tests/pytest/query/queryTscomputWithNow.py
+++ b/tests/pytest/query/queryTscomputWithNow.py
@@ -155,7 +155,7 @@ class TDTestCase:
         self.inertnow()
         self.querynow()
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/pytest/query/removeDBAndSTable.py b/tests/pytest/query/removeDBAndSTable.py
index 4616c7e378..f27e2b8231 100644
--- a/tests/pytest/query/removeDBAndSTable.py
+++ b/tests/pytest/query/removeDBAndSTable.py
@@ -50,14 +50,14 @@ class TDTestCase:
         tdSql.checkData(0, 0, "st_vplu")
 
         tdSql.execute("drop database db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, "db_vplu")
 
         tdDnodes.stopAll()
         tdDnodes.start(1)
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, "db_vplu")
 
diff --git a/tests/pytest/restful/restful_bind_db1.py b/tests/pytest/restful/restful_bind_db1.py
index 9620535fd7..e44df14d0e 100644
--- a/tests/pytest/restful/restful_bind_db1.py
+++ b/tests/pytest/restful/restful_bind_db1.py
@@ -75,10 +75,10 @@ class TDTestCase():
 
         # test with no bind databases
 
-        sqls = ["show databases;",
+        sqls = ["select * from information_schema.ins_databases;",
         "use test", 
         "show tables;",
-        "show dnodes;",
+        "select * from information_schema.ins_dnodes;",
         "show vgroups;",
         "create database db;",
         "drop database db;",
diff --git a/tests/pytest/restful/restful_bind_db2.py b/tests/pytest/restful/restful_bind_db2.py
index 35aa1408a7..cfe7bb2f42 100644
--- a/tests/pytest/restful/restful_bind_db2.py
+++ b/tests/pytest/restful/restful_bind_db2.py
@@ -60,10 +60,10 @@ class TDTestCase():
 
         # test with no bind databases
 
-        sqls = ["show databases;",
+        sqls = ["select * from information_schema.ins_databases;",
         "use test", 
         "show tables;",
-        "show dnodes;",
+        "select * from information_schema.ins_dnodes;",
         "show vgroups;",
         "create database db;",
         "drop database db;",
diff --git a/tests/pytest/stream/test2.py b/tests/pytest/stream/test2.py
index e6044662e9..4cd33bf569 100644
--- a/tests/pytest/stream/test2.py
+++ b/tests/pytest/stream/test2.py
@@ -14,7 +14,7 @@ class TDTestCase:
         #for i in range(100):
             tdSql.prepare()
             dbname = tdCom.getLongName(10, "letters")
-            tdSql.execute('show databases')
+            tdSql.execute('select * from information_schema.ins_databases')
             tdSql.execute('drop database if exists ttxkbrzmpo')
             tdSql.execute('create database if not exists ttxkbrzmpo vgroups 1')
             tdSql.execute('use ttxkbrzmpo')
diff --git a/tests/pytest/table/column_num.py b/tests/pytest/table/column_num.py
index 3abedb083c..47c866f50e 100644
--- a/tests/pytest/table/column_num.py
+++ b/tests/pytest/table/column_num.py
@@ -104,9 +104,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/table/db_table.py b/tests/pytest/table/db_table.py
index 5ead829e26..0c9460837b 100644
--- a/tests/pytest/table/db_table.py
+++ b/tests/pytest/table/db_table.py
@@ -34,8 +34,8 @@ class TDTestCase:
         tdLog.info('=============== step6')
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
 # convert end
diff --git a/tests/pytest/tag_lite/3.py b/tests/pytest/tag_lite/3.py
index bbdf0868fa..c3acf336f2 100644
--- a/tests/pytest/tag_lite/3.py
+++ b/tests/pytest/tag_lite/3.py
@@ -1311,9 +1311,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/4.py b/tests/pytest/tag_lite/4.py
index df81dd8100..ef1a401f46 100644
--- a/tests/pytest/tag_lite/4.py
+++ b/tests/pytest/tag_lite/4.py
@@ -1855,9 +1855,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/5.py b/tests/pytest/tag_lite/5.py
index 28c8fc125a..d9b3eb9487 100644
--- a/tests/pytest/tag_lite/5.py
+++ b/tests/pytest/tag_lite/5.py
@@ -2283,9 +2283,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/6.py b/tests/pytest/tag_lite/6.py
index 5cf43f1047..63bf233c22 100644
--- a/tests/pytest/tag_lite/6.py
+++ b/tests/pytest/tag_lite/6.py
@@ -2731,9 +2731,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/add.py b/tests/pytest/tag_lite/add.py
index eb52e9cb9b..29ad187ca6 100644
--- a/tests/pytest/tag_lite/add.py
+++ b/tests/pytest/tag_lite/add.py
@@ -2055,9 +2055,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('sql drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/bigint.py b/tests/pytest/tag_lite/bigint.py
index 733d30983d..7226cb50bc 100644
--- a/tests/pytest/tag_lite/bigint.py
+++ b/tests/pytest/tag_lite/bigint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/binary.py b/tests/pytest/tag_lite/binary.py
index 3825c6637f..f1c3445a96 100644
--- a/tests/pytest/tag_lite/binary.py
+++ b/tests/pytest/tag_lite/binary.py
@@ -565,9 +565,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/binary_binary.py b/tests/pytest/tag_lite/binary_binary.py
index 2a76238f59..af1b36be54 100644
--- a/tests/pytest/tag_lite/binary_binary.py
+++ b/tests/pytest/tag_lite/binary_binary.py
@@ -776,9 +776,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/bool.py b/tests/pytest/tag_lite/bool.py
index 11ce9eb7f8..894f5ad2c5 100644
--- a/tests/pytest/tag_lite/bool.py
+++ b/tests/pytest/tag_lite/bool.py
@@ -560,9 +560,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/bool_binary.py b/tests/pytest/tag_lite/bool_binary.py
index 934d91c908..437f4c0b6d 100644
--- a/tests/pytest/tag_lite/bool_binary.py
+++ b/tests/pytest/tag_lite/bool_binary.py
@@ -770,9 +770,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/bool_int.py b/tests/pytest/tag_lite/bool_int.py
index 1e857192ed..ea83b8b34c 100644
--- a/tests/pytest/tag_lite/bool_int.py
+++ b/tests/pytest/tag_lite/bool_int.py
@@ -802,9 +802,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/change.py b/tests/pytest/tag_lite/change.py
index b8ddc3ff87..10482b21e1 100644
--- a/tests/pytest/tag_lite/change.py
+++ b/tests/pytest/tag_lite/change.py
@@ -924,9 +924,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/column.py b/tests/pytest/tag_lite/column.py
index f82f83c356..c08f478ae8 100644
--- a/tests/pytest/tag_lite/column.py
+++ b/tests/pytest/tag_lite/column.py
@@ -176,9 +176,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/commit.py b/tests/pytest/tag_lite/commit.py
index 8b69d4aa5f..8807dd83c6 100644
--- a/tests/pytest/tag_lite/commit.py
+++ b/tests/pytest/tag_lite/commit.py
@@ -2300,9 +2300,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/delete.py b/tests/pytest/tag_lite/delete.py
index 5e82a96bf4..fe21719777 100644
--- a/tests/pytest/tag_lite/delete.py
+++ b/tests/pytest/tag_lite/delete.py
@@ -1697,9 +1697,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/double.py b/tests/pytest/tag_lite/double.py
index c9d3a5af9e..9f9fea3a65 100644
--- a/tests/pytest/tag_lite/double.py
+++ b/tests/pytest/tag_lite/double.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/filter.py b/tests/pytest/tag_lite/filter.py
index aeb13a1715..5713074612 100644
--- a/tests/pytest/tag_lite/filter.py
+++ b/tests/pytest/tag_lite/filter.py
@@ -351,9 +351,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/float.py b/tests/pytest/tag_lite/float.py
index 589df89ab9..7e841a52b0 100644
--- a/tests/pytest/tag_lite/float.py
+++ b/tests/pytest/tag_lite/float.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/int.py b/tests/pytest/tag_lite/int.py
index 1297d083a0..72e06c3d8c 100644
--- a/tests/pytest/tag_lite/int.py
+++ b/tests/pytest/tag_lite/int.py
@@ -560,9 +560,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/int_binary.py b/tests/pytest/tag_lite/int_binary.py
index 6ce9a9a431..d702a3fca1 100644
--- a/tests/pytest/tag_lite/int_binary.py
+++ b/tests/pytest/tag_lite/int_binary.py
@@ -768,9 +768,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/int_float.py b/tests/pytest/tag_lite/int_float.py
index 341acfd5ae..e1ea9b10b6 100644
--- a/tests/pytest/tag_lite/int_float.py
+++ b/tests/pytest/tag_lite/int_float.py
@@ -804,9 +804,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/set.py b/tests/pytest/tag_lite/set.py
index 1e3cdfaa93..f1029f5a77 100644
--- a/tests/pytest/tag_lite/set.py
+++ b/tests/pytest/tag_lite/set.py
@@ -875,9 +875,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/smallint.py b/tests/pytest/tag_lite/smallint.py
index 93fde22ca9..1bd08429a9 100644
--- a/tests/pytest/tag_lite/smallint.py
+++ b/tests/pytest/tag_lite/smallint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/tinyint.py b/tests/pytest/tag_lite/tinyint.py
index fc4af4ee96..9d4f4f08bb 100644
--- a/tests/pytest/tag_lite/tinyint.py
+++ b/tests/pytest/tag_lite/tinyint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/unsignedBigint.py b/tests/pytest/tag_lite/unsignedBigint.py
index 6a33812f88..eed5f00614 100644
--- a/tests/pytest/tag_lite/unsignedBigint.py
+++ b/tests/pytest/tag_lite/unsignedBigint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/unsignedInt.py b/tests/pytest/tag_lite/unsignedInt.py
index 6e741d351a..8c6ae156ee 100644
--- a/tests/pytest/tag_lite/unsignedInt.py
+++ b/tests/pytest/tag_lite/unsignedInt.py
@@ -562,9 +562,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/unsignedSmallint.py b/tests/pytest/tag_lite/unsignedSmallint.py
index 21c390d9dc..0ac921823e 100644
--- a/tests/pytest/tag_lite/unsignedSmallint.py
+++ b/tests/pytest/tag_lite/unsignedSmallint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tag_lite/unsignedTinyint.py b/tests/pytest/tag_lite/unsignedTinyint.py
index 7ce3a83984..a4a6ccf527 100644
--- a/tests/pytest/tag_lite/unsignedTinyint.py
+++ b/tests/pytest/tag_lite/unsignedTinyint.py
@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
diff --git a/tests/pytest/tools/taosdemoTestWithoutMetric.py b/tests/pytest/tools/taosdemoTestWithoutMetric.py
index 01e19355d9..0f10197180 100644
--- a/tests/pytest/tools/taosdemoTestWithoutMetric.py
+++ b/tests/pytest/tools/taosdemoTestWithoutMetric.py
@@ -53,7 +53,7 @@ class TDTestCase:
         os.system("%staosdemo -N -y -t %d -n %d" %
                   (binPath, self.numberOfTables, self.numberOfRecords))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(18):
             print(tdSql.getData(0, i) )
         tdSql.checkData(0, 2, self.numberOfTables)
diff --git a/tests/pytest/tools/taosdumpTest.py b/tests/pytest/tools/taosdumpTest.py
index d23e2f79af..4bfb7d5ba3 100644
--- a/tests/pytest/tools/taosdumpTest.py
+++ b/tests/pytest/tools/taosdumpTest.py
@@ -99,14 +99,14 @@ class TDTestCase:
 
         tdSql.execute("drop database db")
         tdSql.execute("drop database db1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(2)
 
         os.system("%s -i ./taosdumptest/tmp1" % binPath)
         os.system("%s -i ./taosdumptest/tmp2" % binPath)
 
         tdSql.execute("use db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(4)
         dbresult = tdSql.queryResult
         # 6--duration,7--keep0,keep1,keep
diff --git a/tests/pytest/tools/taosdumpTest2.py b/tests/pytest/tools/taosdumpTest2.py
index f611623241..a8117ec04c 100644
--- a/tests/pytest/tools/taosdumpTest2.py
+++ b/tests/pytest/tools/taosdumpTest2.py
@@ -81,12 +81,12 @@ class TDTestCase:
             binPath)
 
         tdSql.execute("drop database db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(2)
 
         os.system("%s -i ./taosdumptest/tmp" % binPath)
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(3)
         tdSql.checkData(2, 0, 'db')
 
@@ -115,7 +115,7 @@ class TDTestCase:
         os.system("%s -D test -o ./taosdumptest/tmp -y" % binPath)
 
         tdSql.execute("drop database test")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(3)
 
         os.system("%s -i ./taosdumptest/tmp -y" % binPath)
diff --git a/tests/pytest/tsdb/tsdbCompCluster.py b/tests/pytest/tsdb/tsdbCompCluster.py
index 3df4c9a9d4..aca4d0e9ce 100644
--- a/tests/pytest/tsdb/tsdbCompCluster.py
+++ b/tests/pytest/tsdb/tsdbCompCluster.py
@@ -131,7 +131,7 @@ class TwoClients:
 
 
         # check data correct 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.execute("use db2")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 1)
diff --git a/tests/pytest/tsdb/tsdbCompClusterReplica2.py b/tests/pytest/tsdb/tsdbCompClusterReplica2.py
index cfda271497..32fbfd4f37 100644
--- a/tests/pytest/tsdb/tsdbCompClusterReplica2.py
+++ b/tests/pytest/tsdb/tsdbCompClusterReplica2.py
@@ -142,7 +142,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # check data correct 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.execute("use db2")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 1)
diff --git a/tests/pytest/util/cluster.py b/tests/pytest/util/cluster.py
index e892e1cc02..2b9af8de25 100644
--- a/tests/pytest/util/cluster.py
+++ b/tests/pytest/util/cluster.py
@@ -72,7 +72,7 @@ class ConfigureyCluster:
         tdSql.init(conn.cursor())
         count=0
         while count < 5:
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             # tdLog.debug(tdSql.queryResult)
             status=0
             for i in range(self.dnodeNums):
diff --git a/tests/pytest/wal/sdbCompCluster.py b/tests/pytest/wal/sdbCompCluster.py
index 4fa84817ec..15cb000fd3 100644
--- a/tests/pytest/wal/sdbCompCluster.py
+++ b/tests/pytest/wal/sdbCompCluster.py
@@ -106,7 +106,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # use new wal file to start up tasod 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0]=="db2":
                 assert tdSql.queryResult[i][4]==1 , "replica is wrong"
diff --git a/tests/pytest/wal/sdbCompClusterReplica2.py b/tests/pytest/wal/sdbCompClusterReplica2.py
index ba80e3864a..87a14e0541 100644
--- a/tests/pytest/wal/sdbCompClusterReplica2.py
+++ b/tests/pytest/wal/sdbCompClusterReplica2.py
@@ -116,7 +116,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # use new wal file to start up tasod 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0]=="db2":
                 assert tdSql.queryResult[i][4]==2 , "replica is wrong"
diff --git a/tests/script/tsim/dnode/drop_dnode_has_qnode_snode.sim b/tests/script/tsim/dnode/drop_dnode_has_qnode_snode.sim
index c50cf0f56e..7013742884 100644
--- a/tests/script/tsim/dnode/drop_dnode_has_qnode_snode.sim
+++ b/tests/script/tsim/dnode/drop_dnode_has_qnode_snode.sim
@@ -33,7 +33,7 @@ print =============== step2: create qnode snode on dnode 2
 sql create qnode on dnode 2
 sql create snode on dnode 2
 
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 1 then
   return -1
 endi
@@ -57,7 +57,7 @@ if $data00 != 1 then
   return -1
 endi
 
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 0 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/auto_create_tb.sim b/tests/script/tsim/parser/auto_create_tb.sim
index faf573f949..312964a1ab 100644
--- a/tests/script/tsim/parser/auto_create_tb.sim
+++ b/tests/script/tsim/parser/auto_create_tb.sim
@@ -289,7 +289,7 @@ if $rows != 1 then
 endi
 
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi
diff --git a/tests/script/tsim/parser/create_db.sim b/tests/script/tsim/parser/create_db.sim
index 6fa635cd42..db25240262 100644
--- a/tests/script/tsim/parser/create_db.sim
+++ b/tests/script/tsim/parser/create_db.sim
@@ -262,7 +262,7 @@ sql_error create database $db comp -1
 sql_error create database $db comp 3
 
 sql_error drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/create_mt.sim b/tests/script/tsim/parser/create_mt.sim
index e2f02f9740..dd2a7834c4 100644
--- a/tests/script/tsim/parser/create_mt.sim
+++ b/tests/script/tsim/parser/create_mt.sim
@@ -240,7 +240,7 @@ $mt2 = mt2
 print chinese_char_in_metrics test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/create_tb.sim b/tests/script/tsim/parser/create_tb.sim
index ea6709807f..cd823cc685 100644
--- a/tests/script/tsim/parser/create_tb.sim
+++ b/tests/script/tsim/parser/create_tb.sim
@@ -180,7 +180,7 @@ sql_error create table $tbname65 (ts timestamp, col int)
 print table_already_exists test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/distinct.sim b/tests/script/tsim/parser/distinct.sim
index 78eaa68dab..2a4da10bf4 100644
--- a/tests/script/tsim/parser/distinct.sim
+++ b/tests/script/tsim/parser/distinct.sim
@@ -75,7 +75,7 @@ endi
 
 ### select distinct
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/fill_stb.sim b/tests/script/tsim/parser/fill_stb.sim
index 88032cc2bd..195bd2e1c3 100644
--- a/tests/script/tsim/parser/fill_stb.sim
+++ b/tests/script/tsim/parser/fill_stb.sim
@@ -431,7 +431,7 @@ endi
 
 print =============== clear
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 0 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/fill_us.sim b/tests/script/tsim/parser/fill_us.sim
index 94f6918c65..03231d2241 100644
--- a/tests/script/tsim/parser/fill_us.sim
+++ b/tests/script/tsim/parser/fill_us.sim
@@ -844,7 +844,7 @@ endi
 
 #print =============== clear
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi
diff --git a/tests/script/tsim/parser/insert_tb.sim b/tests/script/tsim/parser/insert_tb.sim
index a10e3f553e..9283ac7fee 100644
--- a/tests/script/tsim/parser/insert_tb.sim
+++ b/tests/script/tsim/parser/insert_tb.sim
@@ -221,7 +221,7 @@ if $rows != 1 then
 endi
 
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi
diff --git a/tests/script/tsim/parser/nchar.sim b/tests/script/tsim/parser/nchar.sim
index 1f37b057dc..9358a31cc1 100644
--- a/tests/script/tsim/parser/nchar.sim
+++ b/tests/script/tsim/parser/nchar.sim
@@ -305,7 +305,7 @@ endi
 # case: query_with_wildcard
 # print =============== clear
 # sql drop database $db
-# sql show databases
+# sql select * from information_schema.ins_databases
 # if $rows != 0 then
 #   return -1
 # endi
diff --git a/tests/script/tsim/parser/precision_ns.sim b/tests/script/tsim/parser/precision_ns.sim
index 522e5174a2..c2268cae30 100644
--- a/tests/script/tsim/parser/precision_ns.sim
+++ b/tests/script/tsim/parser/precision_ns.sim
@@ -100,7 +100,7 @@ sql select count(*) from $mt interval(100000000b) sliding(100000000b)
 
 print =============== clear
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/select_across_vnodes.sim b/tests/script/tsim/parser/select_across_vnodes.sim
index f58f7a2943..e58ffa7473 100644
--- a/tests/script/tsim/parser/select_across_vnodes.sim
+++ b/tests/script/tsim/parser/select_across_vnodes.sim
@@ -71,7 +71,7 @@ if $rows != $tbNum then
 endi
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/select_distinct_tag.sim b/tests/script/tsim/parser/select_distinct_tag.sim
index 5f31a0a901..2d29384730 100644
--- a/tests/script/tsim/parser/select_distinct_tag.sim
+++ b/tests/script/tsim/parser/select_distinct_tag.sim
@@ -50,7 +50,7 @@ endi
 sql_error select distinct t1, t2 from &stb
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/stableOp.sim b/tests/script/tsim/parser/stableOp.sim
index 213cd10546..a1d0219fef 100644
--- a/tests/script/tsim/parser/stableOp.sim
+++ b/tests/script/tsim/parser/stableOp.sim
@@ -84,7 +84,7 @@ endi
 print create/alter/drop stable test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/parser/tags_filter.sim b/tests/script/tsim/parser/tags_filter.sim
index cbdd9646ff..ea1c93ebd5 100644
--- a/tests/script/tsim/parser/tags_filter.sim
+++ b/tests/script/tsim/parser/tags_filter.sim
@@ -99,7 +99,7 @@ if $data01 != 4 then
 endi
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi
diff --git a/tests/script/tsim/qnode/basic1.sim b/tests/script/tsim/qnode/basic1.sim
index deaa457e1e..66f02d9c7d 100644
--- a/tests/script/tsim/qnode/basic1.sim
+++ b/tests/script/tsim/qnode/basic1.sim
@@ -77,7 +77,7 @@ endi
 
 print =============== create drop qnode 1
 sql create qnode on dnode 1
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 1 then 
   return -1
 endi
@@ -87,7 +87,7 @@ endi
 sql_error create qnode on dnode 1
 
 sql drop qnode on dnode 1
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 0 then 
   return -1
 endi
@@ -95,7 +95,7 @@ sql_error drop qnode on dnode 1
 
 print =============== create drop qnode 2
 sql create qnode on dnode 2
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 1 then 
   return -1
 endi
@@ -105,7 +105,7 @@ endi
 sql_error create qnode on dnode 2
 
 sql drop qnode on dnode 2
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 0 then 
   return -1
 endi
@@ -114,7 +114,7 @@ sql_error drop qnode on dnode 2
 print =============== create drop qnodes
 sql create qnode on dnode 1
 sql create qnode on dnode 2
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 2 then 
   return -1
 endi
@@ -125,7 +125,7 @@ system sh/exec.sh -n dnode2 -s stop -x SIGINT
 system sh/exec.sh -n dnode1 -s start
 system sh/exec.sh -n dnode2 -s start
 
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 2 then 
   return -1
 endi
diff --git a/tests/script/tsim/show/basic.sim b/tests/script/tsim/show/basic.sim
index eb2c808dad..162e74ea14 100644
--- a/tests/script/tsim/show/basic.sim
+++ b/tests/script/tsim/show/basic.sim
@@ -49,7 +49,7 @@ if $rows != 1 then
   return -1
 endi
 #sql show modules
-#sql show qnodes
+#sql select * from information_schema.ins_qnodes
 sql select * from information_schema.ins_databases
 if $rows != 3 then
   return -1
@@ -147,7 +147,7 @@ if $rows != 1 then
   return -1
 endi
 #sql show modules
-#sql show qnodes
+#sql select * from information_schema.ins_qnodes
 sql select * from information_schema.ins_databases
 if $rows != 3 then
   return -1
diff --git a/tests/script/tsim/stream/session0.sim b/tests/script/tsim/stream/session0.sim
index 7cd9b75a4b..fee8c98cce 100644
--- a/tests/script/tsim/stream/session0.sim
+++ b/tests/script/tsim/stream/session0.sim
@@ -6,7 +6,7 @@ sql connect
 
 print =============== create database
 sql create database test vgroups 1;
-sql show databases;
+sql select * from information_schema.ins_databases;
 if $rows != 3 then
   return -1
 endi
diff --git a/tests/script/tsim/user/privilege_sysinfo.sim b/tests/script/tsim/user/privilege_sysinfo.sim
index cbf714ed73..3f81037af4 100644
--- a/tests/script/tsim/user/privilege_sysinfo.sim
+++ b/tests/script/tsim/user/privilege_sysinfo.sim
@@ -54,7 +54,7 @@ sql_error show cluster
 sql_error select * from information_schema.ins_dnodes
 sql_error select * from information_schema.ins_mnodes
 sql_error show snodes
-sql_error show qnodes
+sql_error select * from information_schema.ins_qnodes
 sql_error show bnodes
 sql_error show grants
 sql_error show dnode 1 variables;
diff --git a/tests/system-test/0-others/cachemodel.py b/tests/system-test/0-others/cachemodel.py
index 7fc2003983..42c52a2f3c 100644
--- a/tests/system-test/0-others/cachemodel.py
+++ b/tests/system-test/0-others/cachemodel.py
@@ -84,7 +84,7 @@ class TDTestCase:
 
         # check cache_last value for database
 
-        tdSql.query(" show databases ")
+        tdSql.query(" select * from information_schema.ins_databases ")
         databases_infos = tdSql.queryResult
         cache_lasts = {}
         for db_info in databases_infos:
@@ -117,7 +117,7 @@ class TDTestCase:
         abs_vnodePath = os.path.abspath(dataPath)+"/vnode/"
         tdLog.info("abs_vnodePath: %s" % abs_vnodePath)
 
-        tdSql.query(" show dnodes ")
+        tdSql.query(" select * from information_schema.ins_dnodes ")
         dnode_id  = tdSql.queryResult[0][0]
 
         for dbname in cache_lasts.keys():
@@ -144,7 +144,7 @@ class TDTestCase:
     def restart_check_cachemodel_sets(self):
 
         for i in range(3):
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             index = tdSql.getData(0, 0)
             tdDnodes.stop(index)
             tdDnodes.start(index)
diff --git a/tests/system-test/0-others/fsync.py b/tests/system-test/0-others/fsync.py
index fcc790040c..6eefc3db24 100644
--- a/tests/system-test/0-others/fsync.py
+++ b/tests/system-test/0-others/fsync.py
@@ -41,7 +41,7 @@ class TDTestCase:
     def test_fsync_current(self):
         wal_index = 0
         fsync_index = 0
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryCols):
             if tdSql.cursor.description[i][0] == "wal_level":
                 wal_index = i
@@ -50,35 +50,35 @@ class TDTestCase:
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_level 1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, wal_index, 1)
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_level 2")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_fsync_period 0")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 0)
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_fsync_period 3000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_fsync_period 180000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 180000)
@@ -86,7 +86,7 @@ class TDTestCase:
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_level 1 wal_fsync_period 6000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 6000)
@@ -94,49 +94,49 @@ class TDTestCase:
 
         tdSql.execute("drop database if exists db1")
         tdSql.execute("create database db1 wal_level 2 wal_fsync_period 3000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("alter database db1 wal_level 1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
                 tdSql.checkData(i, wal_index, 1)
 
         tdSql.execute("alter database db1 wal_level 2")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("alter database db1 wal_fsync_period 0")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 0)
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("alter database db1 wal_fsync_period 3000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("alter database db1 wal_fsync_period 18000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 18000)
                 tdSql.checkData(i, wal_index, 2)
 
         tdSql.execute("alter database db1 wal_level 1 wal_fsync_period 3000")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0] == "db1":
                 tdSql.checkData(i, fsync_index, 3000)
diff --git a/tests/system-test/0-others/taosShell.py b/tests/system-test/0-others/taosShell.py
index 4f24a3bf4a..ed53f74d66 100644
--- a/tests/system-test/0-others/taosShell.py
+++ b/tests/system-test/0-others/taosShell.py
@@ -162,8 +162,8 @@ class TDTestCase:
             tdLog.exit("taos -h %s fail"%keyDict['h'])
         else:
             #dataDbName = ["information_schema", "performance_schema", "db", newDbName]
-            tdSql.query("show databases")
-            #tdSql.getResult("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
+            #tdSql.getResult("select * from information_schema.ins_databases")
             for i in range(tdSql.queryRows):
                 if tdSql.getData(i, 0) == newDbName:
                     break
@@ -184,7 +184,7 @@ class TDTestCase:
         if retCode != "TAOS_OK":
             tdLog.exit("taos -P %s fail"%keyDict['P'])
         else:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             for i in range(tdSql.queryRows):
                 if tdSql.getData(i, 0) == newDbName:
                     break
@@ -200,7 +200,7 @@ class TDTestCase:
         if retCode != "TAOS_OK":
             tdLog.exit("taos -u %s -p%s fail"%(keyDict['u'], keyDict['p']))
         else:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             for i in range(tdSql.queryRows):
                 if tdSql.getData(i, 0) == newDbName:
                     break
@@ -220,7 +220,7 @@ class TDTestCase:
         if retCode != "TAOS_OK":
             tdLog.exit("taos -u %s -a %s"%(keyDict['u'], retVal))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.getData(i, 0) == newDbName:
                 break
@@ -237,7 +237,7 @@ class TDTestCase:
             tdLog.exit("taos -s fail")
 
         print ("========== check new db ==========")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.getData(i, 0) == newDbName:
                 break
@@ -302,7 +302,7 @@ class TDTestCase:
         else:
             sql3 = "echo 'create table ntbf (ts timestamp, c binary(40))' >> " + sqlFile
             sql4 = "echo 'insert into ntbf values (\"2021-04-01 08:00:00.000\", \"test taos -f1\")(\"2021-04-01 08:00:01.000\", \"test taos -f2\")' >> " + sqlFile
-        sql5 = "echo show databases >> " + sqlFile
+        sql5 = "echo select * from information_schema.ins_databases >> " + sqlFile
         os.system(sql1)
         os.system(sql2)
         os.system(sql3)
@@ -316,7 +316,7 @@ class TDTestCase:
             tdLog.exit("taos -f fail")
 
         print ("========== check new db ==========")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             #print ("dbseq: %d, dbname: %s"%(i, tdSql.getData(i, 0)))
             if tdSql.getData(i, 0) == newDbName:
@@ -384,7 +384,7 @@ class TDTestCase:
         if retCode != "TAOS_OK":
             tdLog.exit("taos -d %s fail"%(keyDict['d']))
         else:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             for i in range(tdSql.queryRows):
                 if tdSql.getData(i, 0) == newDbName:
                     break
diff --git a/tests/system-test/0-others/taosShellError.py b/tests/system-test/0-others/taosShellError.py
index 8666c2e54d..0b9baaa512 100644
--- a/tests/system-test/0-others/taosShellError.py
+++ b/tests/system-test/0-others/taosShellError.py
@@ -244,7 +244,7 @@ class TDTestCase:
         else:
             sql3 = "echo 'create table ntbf (ts timestamp, c binary(40)) no this item' >> " + sqlFile
             sql4 = "echo 'insert into ntbf values (\"2021-04-01 08:00:00.000\", \"test taos -f1\")(\"2021-04-01 08:00:01.000\", \"test taos -f2\")' >> " + sqlFile
-        sql5 = "echo show databases >> " + sqlFile
+        sql5 = "echo select * from information_schema.ins_databases >> " + sqlFile
         os.system(sql1)
         os.system(sql2)
         os.system(sql3)
@@ -258,7 +258,7 @@ class TDTestCase:
             tdLog.exit("taos -f fail")
 
         print ("========== check new db ==========")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             #print ("dbseq: %d, dbname: %s"%(i, tdSql.getData(i, 0)))
             if tdSql.getData(i, 0) == newDbName:
diff --git a/tests/system-test/0-others/taosdlog.py b/tests/system-test/0-others/taosdlog.py
index f8898daf41..bd3d6b9b4c 100644
--- a/tests/system-test/0-others/taosdlog.py
+++ b/tests/system-test/0-others/taosdlog.py
@@ -45,7 +45,7 @@ class TDTestCase:
 
         tdDnodes.stop(1)
         time.sleep(2)
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
         os.system("rm -rf  %s" % logPath)
         if os.path.exists(logPath) == True:
             tdLog.exit("log pat still exist!")
@@ -55,7 +55,7 @@ class TDTestCase:
         if os.path.exists(logPath) != True:
             tdLog.exit("log pat is not generated!")
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
 
     def stop(self):
         tdSql.close()
diff --git a/tests/system-test/0-others/user_control.py b/tests/system-test/0-others/user_control.py
index 5e0a2b4102..35752f5ba9 100644
--- a/tests/system-test/0-others/user_control.py
+++ b/tests/system-test/0-others/user_control.py
@@ -649,12 +649,12 @@ class TDTestCase:
 
         tdLog.printNoPrefix("==========step5: enable info")
         taos1_conn = taos.connect(user=self.__user_list[1], password=f"new{self.__passwd_list[1]}")
-        taos1_conn.query(f"show databases")
+        taos1_conn.query(f"select * from information_schema.ins_databases")
         tdSql.execute(f"alter user {self.__user_list[1]} enable 0")
         tdSql.execute(f"alter user {self.__user_list[2]} enable 0")
         taos1_except = True
         try:
-            taos1_conn.query("show databases")
+            taos1_conn.query("select * from information_schema.ins_databases")
         except BaseException:
             taos1_except = False
         if taos1_except:
@@ -674,13 +674,13 @@ class TDTestCase:
 
         tdLog.printNoPrefix("==========step6: sysinfo info")
         taos3_conn = taos.connect(user=self.__user_list[3], password=f"new{self.__passwd_list[3]}")
-        taos3_conn.query(f"show dnodes")
+        taos3_conn.query(f"select * from information_schema.ins_dnodes")
         taos3_conn.query(f"show {DBNAME}.vgroups")
         tdSql.execute(f"alter user {self.__user_list[3]} sysinfo 0")
         tdSql.execute(f"alter user {self.__user_list[4]} sysinfo 0")
         taos3_except = True
         try:
-            taos3_conn.query(f"show dnodes")
+            taos3_conn.query(f"select * from information_schema.ins_dnodes")
             taos3_conn.query(f"show {DBNAME}.vgroups")
         except BaseException:
             taos3_except = False
diff --git a/tests/system-test/1-insert/create_retentions.py b/tests/system-test/1-insert/create_retentions.py
index 24c0dfc046..54abcec391 100644
--- a/tests/system-test/1-insert/create_retentions.py
+++ b/tests/system-test/1-insert/create_retentions.py
@@ -135,7 +135,7 @@ class TDTestCase:
             tdSql.error(err_sql)
         for cur_sql in self.create_databases_sql_current:
             tdSql.execute(cur_sql)
-            # tdSql.query("show databases")
+            # tdSql.query("select * from information_schema.ins_databases")
         for alter_sql in self.alter_database_sql:
             tdSql.error(alter_sql)
 
diff --git a/tests/system-test/1-insert/db_tb_name_check.py b/tests/system-test/1-insert/db_tb_name_check.py
index e4b164e01f..5017fde68a 100644
--- a/tests/system-test/1-insert/db_tb_name_check.py
+++ b/tests/system-test/1-insert/db_tb_name_check.py
@@ -44,7 +44,7 @@ class TDTestCase:
                 new_dbname.insert(i,j)
                 dbname_1 = ''.join(new_dbname)
                 tdSql.execute(f'create database if not exists `{dbname_1}`')
-                tdSql.query('show databases')
+                tdSql.query('select * from information_schema.ins_databases')
                 tdSql.checkEqual(tdSql.queryResult[2][0],str(dbname_1))
                 tdSql.execute(f'drop database `{dbname_1}`')
         for i in range(len(list(dbname))+1):
diff --git a/tests/system-test/1-insert/insertWithMoreVgroup.py b/tests/system-test/1-insert/insertWithMoreVgroup.py
index aea0feda02..b80a5f9a4a 100644
--- a/tests/system-test/1-insert/insertWithMoreVgroup.py
+++ b/tests/system-test/1-insert/insertWithMoreVgroup.py
@@ -238,7 +238,7 @@ class TDTestCase:
 
         tsql.execute("create database %s vgroups %d"%(dbname,vgroups))
         print("db has been created")
-        # tsql.getResult("show databases")
+        # tsql.getResult("select * from information_schema.ins_databases")
         # print(tdSql.queryResult)
         tsql.execute("use %s" %dbname)
 
diff --git a/tests/system-test/1-insert/insert_drop.py b/tests/system-test/1-insert/insert_drop.py
index bfba4c9e4a..3e30e94a6b 100644
--- a/tests/system-test/1-insert/insert_drop.py
+++ b/tests/system-test/1-insert/insert_drop.py
@@ -37,7 +37,7 @@ class TDTestCase:
         sql_list.append(f'drop database test;')
         tlist = self.genMultiThreadSeq(sql_list)
         self.multiThreadRun(tlist)
-        tdSql.query(f'show databases')
+        tdSql.query(f'select * from information_schema.ins_databases')
 
 
     def stop(self):
diff --git a/tests/system-test/1-insert/mutil_stage.py b/tests/system-test/1-insert/mutil_stage.py
index fcad114edd..764da1f166 100644
--- a/tests/system-test/1-insert/mutil_stage.py
+++ b/tests/system-test/1-insert/mutil_stage.py
@@ -176,7 +176,7 @@ class TDTestCase:
             self.cfg_str_list(filename=self.taos_cfg_path, update_list=cfg_case)
             tdDnodes.starttaosd(1)
             time.sleep(2)
-            tdSql.error(f"show databases")
+            tdSql.error(f"select * from information_schema.ins_databases")
 
         for cfg_case in self.__current_cfg:
             self.del_old_datadir(filename=self.taos_cfg_path)
@@ -184,7 +184,7 @@ class TDTestCase:
             tdDnodes.deploy(1)
             self.cfg_str_list(filename=self.taos_cfg_path, update_list=cfg_case)
             tdDnodes.start(1)
-            tdSql.query(f"show databases")
+            tdSql.query(f"select * from information_schema.ins_databases")
 
     def __create_tb(self, stb=STBNAME, ctb_pre = CTB_PRE, ctb_num=20, ntb_pre=NTB_PRE, ntbnum=1, dbname=DBNAME):
         tdLog.printNoPrefix("==========step: create table")
diff --git a/tests/system-test/1-insert/time_range_wise.py b/tests/system-test/1-insert/time_range_wise.py
index e66f5560df..8f61da221d 100644
--- a/tests/system-test/1-insert/time_range_wise.py
+++ b/tests/system-test/1-insert/time_range_wise.py
@@ -291,7 +291,7 @@ class TDTestCase:
             return False
         tdSql.query("select database()")
         dbname =  tdSql.getData(0,0)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for index , value in enumerate(tdSql.cursor.description):
             if value[0] == "retention":
                 r_index = index
diff --git a/tests/system-test/2-query/check_tsdb.py b/tests/system-test/2-query/check_tsdb.py
index 8d5bcc370d..f504a55dcd 100644
--- a/tests/system-test/2-query/check_tsdb.py
+++ b/tests/system-test/2-query/check_tsdb.py
@@ -67,11 +67,11 @@ class TDTestCase:
             tdDnodes.stop(1)
             tdDnodes.start(1)
             time.sleep(2)
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
 
             status = False
             while status==False:
-                tdSql.query("show databases")
+                tdSql.query("select * from information_schema.ins_databases")
                 for db_info in tdSql.queryResult:
                     if db_info[0]==dbname :
                         if db_info[15]=="ready":
diff --git a/tests/system-test/2-query/csum.py b/tests/system-test/2-query/csum.py
index 953dd1e491..83aaca8f12 100644
--- a/tests/system-test/2-query/csum.py
+++ b/tests/system-test/2-query/csum.py
@@ -406,7 +406,7 @@ class TDTestCase:
 
 
         tdLog.printNoPrefix("######## check after WAL test:")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/system-test/2-query/explain.py b/tests/system-test/2-query/explain.py
index 7ecf12b917..b1d4b39312 100644
--- a/tests/system-test/2-query/explain.py
+++ b/tests/system-test/2-query/explain.py
@@ -185,11 +185,11 @@ class TDTestCase:
 
         tdLog.printNoPrefix("===step 0: err case, must return err")
         tdSql.error( f"explain select hyperloglog({INT_COL}) from {dbname}.ct8" )
-        tdSql.error( f"explain show databases " )
+        tdSql.error( f"explain select * from information_schema.ins_databases " )
         tdSql.error( f"explain show {dbname}.stables " )
         tdSql.error( f"explain show {dbname}.tables " )
         tdSql.error( f"explain show {dbname}.vgroups " )
-        tdSql.error( f"explain show dnodes " )
+        tdSql.error( f"explain select * from information_schema.ins_dnodes " )
         tdSql.error( f'''explain select hyperloglog(['{INT_COL} + {INT_COL}', '{INT_COL} + {BINT_COL}', '{INT_COL} + {SINT_COL}', '{INT_COL} + {TINT_COL}', '{INT_COL} + {FLOAT_COL}', '{INT_COL} + {DOUBLE_COL}', '{INT_COL} + {BOOL_COL}', '{INT_COL} + {BINARY_COL}', '{INT_COL} + {NCHAR_COL}', '{INT_COL} + {TS_COL}'])
                     from {dbname}.ct1
                     where ['{INT_COL} + {INT_COL}', '{INT_COL} + {BINT_COL}', '{INT_COL} + {SINT_COL}', '{INT_COL} + {TINT_COL}', '{INT_COL} + {FLOAT_COL}', '{INT_COL} + {DOUBLE_COL}', '{INT_COL} + {BOOL_COL}', '{INT_COL} + {BINARY_COL}', '{INT_COL} + {NCHAR_COL}', '{INT_COL} + {TS_COL}'] is not null
diff --git a/tests/system-test/2-query/function_diff.py b/tests/system-test/2-query/function_diff.py
index bd615cc3c1..fd5d6ea1cf 100644
--- a/tests/system-test/2-query/function_diff.py
+++ b/tests/system-test/2-query/function_diff.py
@@ -439,7 +439,7 @@ class TDTestCase:
 
 
         tdLog.printNoPrefix("######## check after WAL test:")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/system-test/2-query/mavg.py b/tests/system-test/2-query/mavg.py
index 91e5e013b4..d7dc5e6143 100644
--- a/tests/system-test/2-query/mavg.py
+++ b/tests/system-test/2-query/mavg.py
@@ -658,7 +658,7 @@ class TDTestCase:
 
 
         tdLog.printNoPrefix("######## check after WAL test:")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/system-test/2-query/qnodeCluster.py b/tests/system-test/2-query/qnodeCluster.py
index 23adfb768d..f68eb58a7a 100644
--- a/tests/system-test/2-query/qnodeCluster.py
+++ b/tests/system-test/2-query/qnodeCluster.py
@@ -218,7 +218,7 @@ class TDTestCase:
         mnodeNums=int(mnodeNums)
         vnodeNumbers = int(dnodeNumbers-mnodeNums)
        
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdLog.debug(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/2-query/queryQnode.py b/tests/system-test/2-query/queryQnode.py
index 176c7ccf3e..7bd573d7fc 100644
--- a/tests/system-test/2-query/queryQnode.py
+++ b/tests/system-test/2-query/queryQnode.py
@@ -240,7 +240,7 @@ class TDTestCase:
 
         tsql.execute("create database %s vgroups %d"%(dbname,vgroups))
         print("db has been created")
-        # tsql.getResult("show databases")
+        # tsql.getResult("select * from information_schema.ins_databases")
         # print(tdSql.queryResult)
         tsql.execute("use %s" %dbname)
 
@@ -282,7 +282,7 @@ class TDTestCase:
     def test_case1(self):
         self.taosBenchCreate("127.0.0.1","no","db1", "stb1", 1, 2, 1*10)
         tdSql.execute("use db1;")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         dnodeId=tdSql.getData(0,0)
         print(dnodeId)
         tdLog.debug("create qnode on dnode %s"%dnodeId)
@@ -296,7 +296,7 @@ class TDTestCase:
         tdSql.query("select c0,c1 from stb11_1 where (c0>1000) union all  select c0,c1 from stb11_1 where c0>2000;")
         unionallQnode=tdSql.queryResult
 
-        # tdSql.query("show qnodes;")
+        # tdSql.query("select * from information_schema.ins_qnodes;")
         # qnodeId=tdSql.getData(0,0)
         tdLog.debug("drop qnode on dnode %s"%dnodeId)
         tdSql.execute("drop qnode on dnode %s"%dnodeId)
@@ -330,7 +330,7 @@ class TDTestCase:
         tdSql.execute("reset query cache")
 
         tdSql.execute("use db1;")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         dnodeId=tdSql.getData(0,0)
         tdLog.debug("create qnode on dnode %s"%dnodeId)
 
@@ -344,7 +344,7 @@ class TDTestCase:
         tdSql.query("select c0,c1 from stb11_1 where (c0>1000) union all  select c0,c1 from stb11_1 where c0>2000;")
         assert unionallQnode==tdSql.queryResult
 
-        # tdSql.query("show qnodes;")
+        # tdSql.query("select * from information_schema.ins_qnodes;")
         # qnodeId=tdSql.getData(0,0)
         tdLog.debug("drop qnode on dnode %s"%dnodeId)
         tdSql.execute("drop qnode on dnode %s"%dnodeId)
@@ -377,7 +377,7 @@ class TDTestCase:
         tdSql.execute("reset query cache")
 
         tdSql.execute("use db1;")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         dnodeId=tdSql.getData(0,0)
         tdLog.debug("create qnode on dnode %s"%dnodeId)
 
@@ -405,7 +405,7 @@ class TDTestCase:
         tdSql.execute("reset query cache")
 
         tdSql.execute("use db1;")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         dnodeId=tdSql.getData(0,0)
         tdSql.query("select max(c1) from stb10;")
         assert maxQnode==tdSql.getData(0,0)
@@ -419,7 +419,7 @@ class TDTestCase:
     # test case : queryPolicy = 2
     def test_case2(self):
         self.taosBenchCreate("127.0.0.1","no","db1", "stb1", 10, 2, 1*10)
-        tdSql.query("show qnodes")
+        tdSql.query("select * from information_schema.ins_qnodes")
         if tdSql.queryRows == 1 :
             tdLog.debug("drop qnode on dnode 1")
             tdSql.execute("drop qnode on dnode 1")
@@ -455,7 +455,7 @@ class TDTestCase:
         tdLog.debug("create qnode on dnode 1")
         tdSql.execute("create qnode on dnode 1")
         tdSql.execute("use db1;")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         dnodeId=tdSql.getData(0,0)
         print(dnodeId)
 
@@ -468,7 +468,7 @@ class TDTestCase:
         tdSql.query("select c0,c1 from stb11_1 where (c0>1000) union all  select c0,c1 from stb11_1 where c0>2000;")
         unionallQnode=tdSql.queryResult
 
-        # tdSql.query("show qnodes;")
+        # tdSql.query("select * from information_schema.ins_qnodes;")
         # qnodeId=tdSql.getData(0,0)
         tdLog.debug("drop qnode on dnode %s"%dnodeId)
 
diff --git a/tests/system-test/2-query/sample.py b/tests/system-test/2-query/sample.py
index cb74c33d92..34615c0515 100644
--- a/tests/system-test/2-query/sample.py
+++ b/tests/system-test/2-query/sample.py
@@ -846,7 +846,7 @@ class TDTestCase:
 
 
         tdLog.printNoPrefix("######## check after WAL test:")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)
diff --git a/tests/system-test/6-cluster/5dnode1mnode.py b/tests/system-test/6-cluster/5dnode1mnode.py
index 60b70433ed..367d0bfbd7 100644
--- a/tests/system-test/6-cluster/5dnode1mnode.py
+++ b/tests/system-test/6-cluster/5dnode1mnode.py
@@ -89,7 +89,7 @@ class TDTestCase:
         tdLog.info(" create cluster done! ")
 
     def five_dnode_one_mnode(self):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -121,11 +121,11 @@ class TDTestCase:
         for i in range(4):
             tdSql.execute(f'create table ct{i+1} using stb1 tags ( {i+1} )')
 
-        tdSql.query('show databases;')
+        tdSql.query('select * from information_schema.ins_databases;')
         tdSql.checkData(2,5,'off')
         tdSql.error("alter database db strict 'off'")
         # tdSql.execute('alter database db strict 'on'')
-        # tdSql.query('show databases;')
+        # tdSql.query('select * from information_schema.ins_databases;')
         # tdSql.checkData(2,5,'on')
 
     def getConnection(self, dnode):
diff --git a/tests/system-test/6-cluster/5dnode2mnode.py b/tests/system-test/6-cluster/5dnode2mnode.py
index f62483cfe2..7cbadde8bf 100644
--- a/tests/system-test/6-cluster/5dnode2mnode.py
+++ b/tests/system-test/6-cluster/5dnode2mnode.py
@@ -43,7 +43,7 @@ class TDTestCase:
         return buildPath
 
     def five_dnode_two_mnode(self):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -101,7 +101,7 @@ class TDTestCase:
         for i in range(4):
             tdSql.execute(f'create table ct{i+1} using stb1 tags ( {i+1} )')
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(5)
         # restart all taosd
diff --git a/tests/system-test/6-cluster/5dnode3mnodeAdd1Ddnoe.py b/tests/system-test/6-cluster/5dnode3mnodeAdd1Ddnoe.py
index af78dfae9d..909decc195 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeAdd1Ddnoe.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeAdd1Ddnoe.py
@@ -120,7 +120,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -136,7 +136,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeDrop.py b/tests/system-test/6-cluster/5dnode3mnodeDrop.py
index d95124c445..33dc3ebaac 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeDrop.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeDrop.py
@@ -244,7 +244,7 @@ class TDTestCase:
 
 
     def five_dnode_three_mnode(self):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -267,7 +267,7 @@ class TDTestCase:
 
         tdSql.error("drop mnode on dnode 1")
 
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdLog.debug(tdSql.queryResult)
 
         #  drop follower of mnode
diff --git a/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py b/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
index 6443a4a7f0..74a7c32206 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeDropInsert.py
@@ -184,7 +184,7 @@ class TDTestCase:
         while count < 10:
             time.sleep(1)
             statusReadyBumber=0
-            tdSql.query("show dnodes;")
+            tdSql.query("select * from information_schema.ins_dnodes;")
             if tdSql.checkRows(dnodenumber) :
                 print("dnode is %d nodes"%dnodenumber)
             for i in range(dnodenumber):
@@ -343,7 +343,7 @@ class TDTestCase:
         rowsPerTable=100
         startTs=1640966400000  # 2022-01-01 00:00:00.000
 
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -362,7 +362,7 @@ class TDTestCase:
         self.check3mnode()
 
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         tdLog.debug("stop all of mnode ")
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeRecreateMnode.py b/tests/system-test/6-cluster/5dnode3mnodeRecreateMnode.py
index 8e8a4d957c..2e107561b5 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeRecreateMnode.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeRecreateMnode.py
@@ -122,7 +122,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -138,7 +138,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertData.py b/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertData.py
index 8a0c90966b..3fe6a689cb 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertData.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertData.py
@@ -120,7 +120,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -136,7 +136,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py b/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py
index 5f02efc7ce..0d56729280 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeRestartDnodeInsertDataAsync.py
@@ -120,7 +120,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -136,7 +136,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py
index 6debffdeb8..a215a74559 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateDb.py
@@ -115,7 +115,7 @@ class TDTestCase:
         allStbNumbers=(paraDict['stbNumbers']*restartNumbers)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -131,7 +131,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
@@ -185,7 +185,7 @@ class TDTestCase:
             tr.join()
         tdLog.info("check dnode number:")
         clusterComCheck.checkDnodes(dnodeNumbers)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdLog.debug("we find %d databases but exepect to create %d  databases "%(tdSql.queryRows-2,allDbNumbers))
 
         # tdLog.info("check DB Rows:")
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateStb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateStb.py
index 919c560330..9df1ffb3df 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateStb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeCreateStb.py
@@ -89,7 +89,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -105,7 +105,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeInsertData.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeInsertData.py
index 562721581d..caaf1dd898 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeInsertData.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopDnodeInsertData.py
@@ -120,7 +120,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -136,7 +136,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDb.py
index 3736166a83..58ed8cde63 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDb.py
@@ -90,7 +90,7 @@ class TDTestCase:
         allStbNumbers=(paraDict['stbNumbers']*restartNumbers)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -108,7 +108,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
@@ -160,7 +160,7 @@ class TDTestCase:
             tr.join()
         tdLog.info("check dnode number:")
         clusterComCheck.checkDnodes(dnodeNumbers)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdLog.debug("we find %d databases but exepect to create %d  databases "%(tdSql.queryRows-2,allDbNumbers))
 
         # tdLog.info("check DB Rows:")
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDbRep3.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDbRep3.py
index ea8e9612a2..3dc3e7ec65 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDbRep3.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateDbRep3.py
@@ -90,7 +90,7 @@ class TDTestCase:
         allStbNumbers=(paraDict['stbNumbers']*restartNumbers)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -106,7 +106,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
@@ -158,7 +158,7 @@ class TDTestCase:
             tr.join()
         tdLog.info("check dnode number:")
         clusterComCheck.checkDnodes(dnodeNumbers)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdLog.debug("we find %d databases but exepect to create %d  databases "%(tdSql.queryRows-2,allDbNumbers))
 
         # tdLog.info("check DB Rows:")
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateStb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateStb.py
index d8c9b9e54d..371d147efc 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateStb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopMnodeCreateStb.py
@@ -114,7 +114,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -130,7 +130,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateDb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateDb.py
index 706c8ad9d5..6fbe262b8e 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateDb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateDb.py
@@ -90,7 +90,7 @@ class TDTestCase:
         allStbNumbers=(paraDict['stbNumbers']*restartNumbers)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -106,7 +106,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
@@ -159,7 +159,7 @@ class TDTestCase:
         for tr in threads:
             tr.join()
         clusterComCheck.checkDnodes(dnodeNumbers)
-        # tdSql.query("show databases")
+        # tdSql.query("select * from information_schema.ins_databases")
         # tdLog.debug("we find %d databases but exepect to create %d  databases "%(tdSql.queryRows-2,allDbNumbers))
 
         # tdLog.info("check DB Rows:")
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateStb.py b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateStb.py
index c9f7cdacaf..56bafe8abc 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateStb.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSep1VnodeStopVnodeCreateStb.py
@@ -115,7 +115,7 @@ class TDTestCase:
 
         print(tdSql)
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodeNumbers)
@@ -131,7 +131,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodeNumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py b/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
index 870596175e..539e5e38a7 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeSeperate1VnodeStopInsert.py
@@ -103,7 +103,7 @@ class TDTestCase:
         while count < 100:
             time.sleep(1)
             statusReadyBumber=0
-            tdSql.query("show dnodes;")
+            tdSql.query("select * from information_schema.ins_dnodes;")
             if tdSql.checkRows(dnodenumber) :
                 print("dnode is %d nodes"%dnodenumber)
             for i in range(dnodenumber):
@@ -253,14 +253,14 @@ class TDTestCase:
 
 
     def check5dnode(self):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
         tdSql.checkData(4,4,'ready')
 
     def five_dnode_three_mnode(self,dnodenumber):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -279,7 +279,7 @@ class TDTestCase:
         self.check3mnode()
 
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         tdLog.debug("stop all of mnode ")
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStop.py b/tests/system-test/6-cluster/5dnode3mnodeStop.py
index 09974db884..c43d41199b 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStop.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStop.py
@@ -71,7 +71,7 @@ class TDTestCase:
         dbNumbers = int(dnodenumbers * restartNumber)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodenumbers)
@@ -87,7 +87,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         # print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodenumbers)
         # restart all taosd
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStop2Follower.py b/tests/system-test/6-cluster/5dnode3mnodeStop2Follower.py
index 9211ed3af8..584dd645f6 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStop2Follower.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStop2Follower.py
@@ -71,7 +71,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodenumbers)
@@ -87,7 +87,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         # print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodenumbers)
         # restart all taosd
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStopConnect.py b/tests/system-test/6-cluster/5dnode3mnodeStopConnect.py
index 0a8c94b080..5638b01070 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStopConnect.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStopConnect.py
@@ -71,7 +71,7 @@ class TDTestCase:
         dbNumbers = int(dnodenumbers * restartNumber)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodenumbers)
@@ -87,7 +87,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodenumbers)
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStopFollowerLeader.py b/tests/system-test/6-cluster/5dnode3mnodeStopFollowerLeader.py
index e5cf7c5254..6daa4c260a 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStopFollowerLeader.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStopFollowerLeader.py
@@ -71,7 +71,7 @@ class TDTestCase:
         dbNumbers = 1
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodenumbers)
@@ -87,7 +87,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         # print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodenumbers)
         # restart all taosd
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py b/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
index 94796a8280..dcd9e56a64 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStopInsert.py
@@ -142,7 +142,7 @@ class TDTestCase:
         while count < 10:
             time.sleep(1)
             statusReadyBumber=0
-            tdSql.query("show dnodes;")
+            tdSql.query("select * from information_schema.ins_dnodes;")
             if tdSql.checkRows(dnodenumber) :
                 tdLog.debug("dnode is %d nodes"%dnodenumber)
             for i in range(dnodenumber):
@@ -291,7 +291,7 @@ class TDTestCase:
         tdSql.checkData(2,3,'ready')
 
     def five_dnode_three_mnode(self,dnodenumber):
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         tdSql.checkData(0,4,'ready')
@@ -310,7 +310,7 @@ class TDTestCase:
         self.check3mnode()
 
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdLog.debug(tdSql.queryResult)
         tdLog.debug("stop all of mnode ")
 
diff --git a/tests/system-test/6-cluster/5dnode3mnodeStopLoop.py b/tests/system-test/6-cluster/5dnode3mnodeStopLoop.py
index c7c45a19c6..1644686568 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStopLoop.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStopLoop.py
@@ -71,7 +71,7 @@ class TDTestCase:
         dbNumbers = int(dnodenumbers * restartNumber)
 
         tdLog.info("first check dnode and mnode")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         tdSql.checkData(0,1,'%s:6030'%self.host)
         tdSql.checkData(4,1,'%s:6430'%self.host)
         clusterComCheck.checkDnodes(dnodenumbers)
@@ -87,7 +87,7 @@ class TDTestCase:
         # add some error operations and
         tdLog.info("Confirm the status of the dnode again")
         tdSql.error("create mnode on dnode 2")
-        tdSql.query("show dnodes;")
+        tdSql.query("select * from information_schema.ins_dnodes;")
         # print(tdSql.queryResult)
         clusterComCheck.checkDnodes(dnodenumbers)
         # restart all taosd
diff --git a/tests/system-test/6-cluster/clusterCommonCheck.py b/tests/system-test/6-cluster/clusterCommonCheck.py
index b16956c497..c37e3541d4 100644
--- a/tests/system-test/6-cluster/clusterCommonCheck.py
+++ b/tests/system-test/6-cluster/clusterCommonCheck.py
@@ -41,7 +41,7 @@ class ClusterComCheck:
         count=0
         # print(tdSql)
         while count < 30:
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             # tdLog.debug(tdSql.queryResult)
             status=0
             for i in range(dnodeNumbers):
@@ -55,7 +55,7 @@ class ClusterComCheck:
             count+=1
             time.sleep(1)
         else:
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             tdLog.debug(tdSql.queryResult)
             tdLog.exit("it find cluster with %d dnodes but  check that there dnodes are not ready within 30s ! "%dnodeNumbers)
 
@@ -63,7 +63,7 @@ class ClusterComCheck:
         dbNumbers=int(dbNumbers)
         count=0
         while count < 5:
-            tdSql.query("show databases;")
+            tdSql.query("select * from information_schema.ins_databases;")
             count+=1
             if tdSql.checkRows(dbNumbers+2):
                 tdLog.success("we find %d databases and expect %d in clusters! " %(tdSql.queryRows,dbNumbers+2))
@@ -81,7 +81,7 @@ class ClusterComCheck:
             query_status=0
             for j in range(dbNumbers):
                 for i in range(alldbNumbers):
-                    tdSql.query("show databases;")
+                    tdSql.query("select * from information_schema.ins_databases;")
                     if "%s_%d"%(dbNameIndex,j) == tdSql.queryResult[i][0] :
                         if tdSql.queryResult[i][15] == "ready":
                             query_status+=1
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
index ed846f8f05..050c10d093 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_createDb_replica1.py
@@ -47,7 +47,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
index 7f7543971c..1e1f45d65e 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas.py
@@ -53,7 +53,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
index 0a3c4544a0..ca12dd6c9d 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica1_insertdatas_querys.py
@@ -54,7 +54,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
index 588b815dce..2d3e5e3178 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas.py
@@ -53,7 +53,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
index 481ce93358..0557836ab2 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_force_stop_all_dnodes.py
@@ -63,7 +63,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -217,7 +217,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -239,7 +239,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
index 302914d775..c8fa8ee435 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys.py
@@ -54,7 +54,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
index aea6d798fb..447da77db3 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_all_vnode.py
@@ -56,7 +56,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -184,7 +184,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -207,7 +207,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
index 5d50ff0353..6175f4e7cc 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_follower.py
@@ -56,7 +56,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -200,7 +200,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -223,7 +223,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
index fd54b28a82..27405774cc 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_querys_loop_restart_leader.py
@@ -56,7 +56,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -199,7 +199,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -222,7 +222,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
index 210e5efcbf..01c52577f0 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_all_dnodes.py
@@ -63,7 +63,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -217,7 +217,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -239,7 +239,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
index 802cd752ee..1dc364c2fd 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_sync.py
@@ -62,7 +62,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -259,7 +259,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -282,7 +282,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
index 545feaf5f1..3873040d20 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync.py
@@ -62,7 +62,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -258,7 +258,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -280,7 +280,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
index dbdc590eae..188b0030f2 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_follower_unsync_force_stop.py
@@ -62,7 +62,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -258,7 +258,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -281,7 +281,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -452,7 +452,7 @@ class TDTestCase:
             # force stop taosd by kill -9
             self.force_stop_dnode(self.stop_dnode_id)
             self.wait_stop_dnode_OK(newTdSql)
-            os.system(" taos -s 'show dnodes;' ")
+            os.system(" taos -s 'select * from information_schema.ins_dnodes;' ")
             tdDnodes[self.stop_dnode_id-1].starttaosd()
             self.wait_start_dnode_OK(newTdSql)
             end = time.time()
@@ -508,7 +508,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
index 00448cbae6..2451b0cd90 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader.py
@@ -145,7 +145,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -213,7 +213,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -235,7 +235,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -304,12 +304,12 @@ class TDTestCase:
 
         self.current_thread = threading.Thread(target=self.start_benchmark_inserts, args=(dbname,json_file))
         self.current_thread.start()
-        tdSql.query(" show databases ")
+        tdSql.query(" select * from information_schema.ins_databases ")
 
         # make sure create database ok
         while (tdSql.queryRows!=3):
             time.sleep(0.5)
-            tdSql.query(" show databases ")
+            tdSql.query(" select * from information_schema.ins_databases ")
 
         # # make sure create stable ok
         tdSql.query(" show {}.stables ".format(dbname))
@@ -318,7 +318,7 @@ class TDTestCase:
             tdSql.query(" show {}.stables ".format(dbname))
 
         # stop leader of database when insert 10% rows
-        # os.system("taos -s 'show databases';")
+        # os.system("taos -s 'select * from information_schema.ins_databases';")
         tdSql.query(" select count(*) from {}.{} ".format(dbname,"stb1"))
 
         while not tdSql.queryResult:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
index 9bbb84281e..5ba6c6ab8d 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_insertdatas_stop_leader_forece_stop.py
@@ -145,7 +145,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -340,7 +340,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -363,7 +363,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -416,7 +416,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
index 5ec17ec0e0..0a4162bd99 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_mnode3_insertdatas_querys.py
@@ -54,7 +54,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
index 33e0ae3058..8e261c8d8f 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower.py
@@ -64,7 +64,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -218,7 +218,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -240,7 +240,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -346,7 +346,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
index 7c67bde776..8f11d3f63c 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_follower_force_stop.py
@@ -64,7 +64,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -218,7 +218,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -240,7 +240,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -346,7 +346,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
index ed1fcc026c..b4f5046a37 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader.py
@@ -64,7 +64,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -218,7 +218,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -263,7 +263,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -381,7 +381,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
index 97ebf4292e..3b3a27c834 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_querydatas_stop_leader_force_stop.py
@@ -64,7 +64,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -218,7 +218,7 @@ class TDTestCase:
             # newTdSql=tdCom.newTdSql()
 
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -262,7 +262,7 @@ class TDTestCase:
         def _get_status():
             # newTdSql=tdCom.newTdSql()
             status =  ""
-            newTdSql.query("show dnodes")
+            newTdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = newTdSql.queryResult
             for dnode_info in dnode_infos:
                 id = dnode_info[0]
@@ -380,7 +380,7 @@ class TDTestCase:
 
     def force_stop_dnode(self, dnode_id ):
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         port = None
         for dnode_info in tdSql.queryResult:
             if dnode_id == dnode_info[0]:
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
index dc12c74a98..31f380f29f 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups.py
@@ -53,7 +53,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
diff --git a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
index 5f6ac9fcc7..5475d1cc37 100644
--- a/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
+++ b/tests/system-test/6-cluster/vnode/4dnode1mnode_basic_replica3_vgroups_stopOne.py
@@ -56,7 +56,7 @@ class TDTestCase:
             info = mnode
             self.mnode_list[name] = info
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         for dnode in tdSql.queryResult:
             name = dnode[1]
             info = dnode
@@ -166,7 +166,7 @@ class TDTestCase:
         def _get_status():
 
             status =  ""
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = tdSql.queryResult
             for dnode_info in dnode_infos:
                 endpoint = dnode_info[1]
@@ -188,7 +188,7 @@ class TDTestCase:
         def _get_status():
 
             status =  ""
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             dnode_infos = tdSql.queryResult
             for dnode_info in dnode_infos:
                 endpoint = dnode_info[1]
@@ -214,7 +214,7 @@ class TDTestCase:
         tdDnodes=cluster.dnodes
         tdDnodes[stop_dnode_id-1].stoptaosd()
         self.wait_stop_dnode_OK()
-        # os.system("taos -s 'show dnodes;'")
+        # os.system("taos -s 'select * from information_schema.ins_dnodes;'")
 
     def Restart_stop_dnode(self):
 
@@ -222,7 +222,7 @@ class TDTestCase:
         stop_dnode_id = self.dnode_list[self.stop_dnode][0]
         tdDnodes[stop_dnode_id-1].starttaosd()
         self.wait_start_dnode_OK()
-        # os.system("taos -s 'show dnodes;'")
+        # os.system("taos -s 'select * from information_schema.ins_dnodes;'")
 
     def check_vgroups_init_done(self,dbname):
 
diff --git a/tests/system-test/7-tmq/basic5.py b/tests/system-test/7-tmq/basic5.py
index 94201a335d..9531541f13 100644
--- a/tests/system-test/7-tmq/basic5.py
+++ b/tests/system-test/7-tmq/basic5.py
@@ -249,7 +249,7 @@ class TDTestCase:
 
         # wait db ready
         while 1:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             if tdSql.getRows() == 4:
                 print ('==================================================')
                 print (tdSql.getData(0,0), tdSql.getData(1,0),tdSql.getData(2,0))
@@ -393,7 +393,7 @@ class TDTestCase:
 
         # wait db ready
         while 1:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             if tdSql.getRows() == 5:
                 print ('==================================================dbname: %s'%parameterDict['dbName'])
                 print (tdSql.getData(0,0), tdSql.getData(1,0),tdSql.getData(2,0),tdSql.getData(3,0),tdSql.getData(4,0))
diff --git a/tests/system-test/7-tmq/tmq3mnodeSwitch.py b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
index 9a98c69aff..7ba914c05c 100644
--- a/tests/system-test/7-tmq/tmq3mnodeSwitch.py
+++ b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
@@ -40,7 +40,7 @@ class TDTestCase:
     def checkDnodesStatusAndCreateMnode(self,dnodeNumbers):
         count=0
         while count < dnodeNumbers:
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             # tdLog.debug(tdSql.queryResult)
             dCnt = 0
             for i in range(dnodeNumbers):
diff --git a/tests/system-test/99-TDcase/TD-15517.py b/tests/system-test/99-TDcase/TD-15517.py
index 99ca02aab7..fe2d9b9041 100644
--- a/tests/system-test/99-TDcase/TD-15517.py
+++ b/tests/system-test/99-TDcase/TD-15517.py
@@ -250,7 +250,7 @@ class TDTestCase:
 
         # wait db ready
         while 1:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             if tdSql.getRows() == 4:
                 print (tdSql.getData(0,0), tdSql.getData(1,0),tdSql.getData(2,0),)
                 break
diff --git a/tests/system-test/99-TDcase/TD-15554.py b/tests/system-test/99-TDcase/TD-15554.py
index 4012696dc7..16a34086b7 100644
--- a/tests/system-test/99-TDcase/TD-15554.py
+++ b/tests/system-test/99-TDcase/TD-15554.py
@@ -236,7 +236,7 @@ class TDTestCase:
 
         # wait db ready
         while 1:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             if tdSql.getRows() == 4:
                 print (tdSql.getData(0,0), tdSql.getData(1,0),tdSql.getData(2,0),)
                 break
@@ -358,7 +358,7 @@ class TDTestCase:
 
         # wait db ready
         while 1:
-            tdSql.query("show databases")
+            tdSql.query("select * from information_schema.ins_databases")
             if tdSql.getRows() == 4:
                 print (tdSql.getData(0,0), tdSql.getData(1,0),tdSql.getData(2,0),)
                 break