mysql數據庫表行數及大小查詢

1. 查詢elisun庫下所有表各自的行數和占用磁盤大小

SELECT TABLE_NAME,TABLE_ROWS,(DATA_LENGTH+INDEX_LENGTH)/1024/1024 AS TOTAL_MB FROM information_schema.TABLES WHERE TABLE_SCHEMA='elisun' ORDER BY TABLE_ROWS DESC limit 100;

 

2. 查詢elisun庫所有表的總行數及占用磁盤的總大小

SELECT sum(TABLE_ROWS),sum((DATA_LENGTH+INDEX_LENGTH)/1024/1024) FROM information_schema.TABLES WHERE TABLE_SCHEMA='elisun';