MySQL 查询数据库表的数量

MySQL 查询数据库表的数量

 

1.获取指定数据库的表的数量

SELECT COUNT(*) TABLES, table_schema FROM information_schema.TABLES GROUP BY table_schema;

 

2.获取mysql下所有数据库表的数量

SELECT COUNT(*) TABLES, table_schema FROM information_schema.TABLES

WHERE table_schema = '数据库名' GROUP BY table_schema;

 

 

 

查询当前库所有表数据量

SELECT TABLE_NAME,TABLE_ROWS FROM information_schema.`TABLES`

WHERE TABLE_SCHEMA = (SELECT database())

ORDER BY TABLE_ROWS DESC;

 

 

REF

https://baijiahao.baidu.com/s?id=1605681796772603432&wfr=spider&for=pc