Home >Database >Mysql Tutorial >如何用SQL命令查看Mysql数据库大小_MySQL

如何用SQL命令查看Mysql数据库大小_MySQL

WBOY
WBOYOriginal
2016-06-01 13:25:00993browse

bitsCN.com

要想知道每个数据库的大小的话,步骤如下:
1、进入information_schema 数据库(存放了其他的数据库的信息)
use information_schema;

2、查询所有数据的大小:
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables;

3、查看指定数据库的大小:
比如查看数据库home的大小
select concat(round(sum(data_length/1024/1024),2),'MB') as data from tables where table_schema='home';

4、查看指定数据库的某个表的大小
比如查看数据库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';

bitsCN.com
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn