mysql数据库容量查询
1、统计每张表的数据量
SELECT
*
FROM
(
select
TABLE_NAME,
concat(
round(
sum(DATA_LENGTH / 1024 / 1024 ),
7
)
) as size
from
information_schema. tables
where
table_schema = \’platform_all_edu\’
GROUP BY
table_name
) t;
2、统计每张表的数据容量（数据量+索引）
select
table_name,
(
sum(DATA_LENGTH) + sum(INDEX_LENGTH)
) / 1024 / 1024 as size
from
information_schema. tables
where
table_schema = \’platform_all_edu\’
GROUP BY
table_name;
3、查看数据库数据量
SELECT concat(round(sum(DATA_LENGTH / 1024 / 1024 / 1024), 2), \’G\’)
FROM information_schema. tables
WHERE table_schema= \’platform_all_edu\’ ;
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