MySQL 查詢數據庫表的數量

MySQL 查詢數據庫表的數量

 

1.獲取指定數據庫的表的數量

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

 

2.獲取mysql下所有數據庫表的數量

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

WHERE table_schema = '數據庫名' GROUP BY table_schema;

 

 

 

查詢當前庫所有表數據量

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