mysql数据库表大小查看

2016/10/21 mysql

进入information_schema 数据库(存放了其他的数据库的信息)

use information_schema;

查询所有数据的大小:

select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables;

查看指定数据库的大小:

select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='home';

查看指定数据库每张表的大小

select table_name,concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='qingting' group by table_name order by data desc;

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