mysql查询每张表占用存储大小

查询mysql所有表的存储占用大小

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='要查询的数据库名'
order by data_length desc, index_length desc;