MySQL查看数据库表容量大小的方法示例

本文介绍MySQL查看数据库表容量大小的命令语句，提供完整查询语句及实例，方便大家学习使用。

1.查看所有数据库容量大小

									select

									table_schema as '数据库',

									sum(table_rows) as '记录数',

									sum(truncate(data_length/1024/1024, 2)) as '数据容量(MB)',

									sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)'

									from information_schema.tables

									group by table_schema

									order by sum(data_length) desc, sum(index_length) desc;

2.查看所有数据库各表容量大小

									select

									table_schema as '数据库',

									table_name as '表名',

									table_rows as '记录数',

									truncate(data_length/1024/1024, 2) as '数据容量(MB)',

									truncate(index_length/1024/1024, 2) as '索引容量(MB)'

									from information_schema.tables

									order by data_length desc, index_length desc;

3.查看指定数据库容量大小

例：查看mysql库容量大小

									select

									table_schema as '数据库',

									sum(table_rows) as '记录数',

									sum(truncate(data_length/1024/1024, 2)) as '数据容量(MB)',

									sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)'

									from information_schema.tables

									where table_schema='mysql';

MySQL查看数据库表容量大小的方法示例

4.查看指定数据库各表容量大小

例：查看mysql库各表容量大小

									select

									table_schema as '数据库',

									table_name as '表名',

									table_rows as '记录数',

									truncate(data_length/1024/1024, 2) as '数据容量(MB)',

									truncate(index_length/1024/1024, 2) as '索引容量(MB)'

									from information_schema.tables

									where table_schema='mysql'

									order by data_length desc, index_length desc;

MySQL查看数据库表容量大小的方法示例

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：https://blog.csdn.net/fdipzone/article/details/80144166

MySQL查看数据库表容量大小的方法示例

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