mysql 查看大表,查看个表占用大小
时间:2021-07-01 10:21:17
帮助过:14人阅读
information_schema;
-- 查看 各库 占用 大小
select TABLE_SCHEMA, concat(
truncate(
sum(data_length)
/1024/1024,
2),
‘ MB‘)
as data_size,
concat(truncate(
sum(index_length)
/1024/1024,
2),
‘MB‘)
as index_size
from information_schema.tables
group by TABLE_SCHEMA
order by data_length
desc;
-- 查看某个库 各表 占用 情况
select TABLE_NAME, concat(
truncate(data_length
/1024/1024,
2),
‘ MB‘)
as data_size,
concat(truncate(index_length
/1024/1024,
2),
‘ MB‘)
as index_size
from information_schema.tables
where TABLE_SCHEMA
= ‘ku_ming‘
group by TABLE_NAME
order by data_length
desc;
-- 查看 某个库 某个表 占用 情况
select table_name,concat(
round(
sum(data_length
/1024/1024),
2),
‘MB‘)
as data
from tables
where table_schema
=‘ku_ming‘
and table_name
=‘tablename‘;
mysql 查看大表,查看个表占用大小
标签:HERE inf truncate 情况 desc size schema rom bsp