查看mysql数据库各个库资源使用情况

Posted 2021-09-04 玄机

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;