1. 查看所有数据库容量大小#
Copy
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;
2. 查看所有数据库各表容量大小#
Copy
select
table_schema as
table_name as
table_rows as
truncate(data_length/1024/1024, 2) as
truncate(index_length/1024/1024, 2) as
from information_schema.tables
order by data_length desc, index_length desc;
3. 查看指定数据库容量大小#
Copy
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
where table_schema='mysql';
4. 查看指定数据库各表容量大小#
Copy
select
table_schema as
table_name as
table_rows as
truncate(data_length/1024/1024, 2) as
truncate(index_length/1024/1024, 2) as
from information_schema.tables
where table_schema=
order by data_length desc, index_length desc;
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