From 49b6b8752d42ed091cf03a7fe16b10065585a1b0 Mon Sep 17 00:00:00 2001
From: wade zhang <95411902+gccgdb1234@users.noreply.github.com>
Date: Tue, 15 Nov 2022 10:32:56 +0800
Subject: [PATCH] Update 02-database.md

---
 docs/zh/12-taos-sql/02-database.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/zh/12-taos-sql/02-database.md b/docs/zh/12-taos-sql/02-database.md
index f1e7b0a385..3918f240b4 100644
--- a/docs/zh/12-taos-sql/02-database.md
+++ b/docs/zh/12-taos-sql/02-database.md
@@ -142,10 +142,10 @@ SHOW CREATE DATABASE db_name;
 ### 查看数据库参数
 
 ```sql
-select * from information_schema.ins_databases \G;
+SELECT * FROM INFORMATION_SCHEMA.INS_DATABASES WHERE NAME='DBNAME' \G;
 ```
 
-会列出系统中所有数据库的配置参数，并且每行只显示一个参数。
+会列出指定数据库的配置参数，并且每行只显示一个参数。
 
 ## 删除过期数据