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

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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

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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

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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' ;

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

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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 ;

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