RDS MySQL如何查看库、表大小

登陆DMS控制台或连接其他客户端使用命令行的方式进行查看：

查看实例中所有数据库的大小

select

table_schema as '数据库',

sum(table_rows) as '记录行数',

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;

查看指定库中表的大小。

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='数据库名'

order by data_length desc, index_length desc;