mysql查看库、表占用存储空间大小
2024-10-01 07:36:36
http://blog.csdn.net/bzfys/article/details/55252962
1. 查看该数据库实例下所有库大小,得到的结果是以MB为单位
<span class="keylink">mysql</span>> select table_schema,sum(data_length)/1024/1024 as data_length,sum(index_length)/1024/1024 \
as index_length,sum(data_length+index_length)/1024/1024 as sum from information_schema.tables;
2、查看该实例下各个库大小
mysql> select table_schema, sum(data_length+index_length)/1024/1024 as total_mb,
sum(data_length)/1024/1024 as data_mb, sum(index_length)/1024/1024 as index_mb,
count(*) as tables, curdate() as today from information_schema.tables group by table_schema order by 2 desc;
3、查看单个库的大小
mysql> select concat(truncate(sum(data_length)/1024/1024,2),'mb') as data_size,
concat(truncate(sum(max_data_length)/1024/1024,2),'mb') as max_data_size,
concat(truncate(sum(data_free)/1024/1024,2),'mb') as data_free,
concat(truncate(sum(index_length)/1024/1024,2),'mb') as index_size
from information_schema.tables where table_schema = 'schema_name';
4、查看单个表的状态
mysql> show table status from data_1234567890 where name = 'data_1234567890_ss' \G
5、查看单库下所有表的状态
mysql> select table_name, (data_length/1024/1024) as data_mb , (index_length/1024/1024)
as index_mb, ((data_length+index_length)/1024/1024) as all_mb, table_rows
from information_schema.tables where table_schema = 'schema_name';
最新文章
- oracle锁等级以及解锁
- [No000032]程序员的年龄天花板
- Dell™ SAS 5/iR 集成适配器和适配器用户指南
- PHP开发常见问题解决列表
- 【css hack】正是我所找的,帮了大忙啊
- 从 setNeedsLayout 说起
- Java---XML的解析(1)-DOM解析
- 前端模块化——seaJS
- BSA Network Shell系列-runcmd/runscript命令
- C# 因缺少CategoryName,而未能初始化 的解决办法
- .NET core2.0 发布至IIS中
- 关于config文件中AppSettings和ConnectionStrings的用法跟区别(转)
- [android]adb 模拟双击 快速点击屏幕
- python创建和删除文件
- Hive 实现 wordcount
- 数据结构(C语言版)-第1章 绪论
- WCF入门教程(二)从零做起-创建WCF服务
- 3.insert添加用法
- MSSQL批量写入数据方案
- 【agc023E】Inversions(线段树,动态规划)