要想知道每個數(shù)據(jù)庫的大小的話,步驟如下:
1、進入information_schema 數(shù)據(jù)庫(存放了其他的數(shù)據(jù)庫的信息)
use information_schema;
2、查詢所有數(shù)據(jù)的大小:
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables;
3、查看指定數(shù)據(jù)庫的大?。?/p>
比如查看數(shù)據(jù)庫home的大小
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='home';
4、查看指定數(shù)據(jù)庫的某個表的大小
比如查看數(shù)據(jù)庫home中 members 表的大小
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='home' and table_name='members';
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