Update 24-show.md
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@ -22,6 +22,14 @@ SHOW CLUSTER;
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显示当前集群的信息
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## SHOW CLUSTER ALIVE
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```sql
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SHOW CLUSTER ALIVE;
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```
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查询当前集群的状态是否可用,返回值: 0:不可用 1:完全可用 2:部分可用(集群中部分节点下线,但其它节点仍可以正常使用)
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## SHOW CONNECTIONS
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```sql
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