查詢Mysql數據庫所有數據庫所占磁盤空間大小

查詢Mysql數據庫所有數據庫所占磁盤空間大小：

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;

 

 

查詢某個數據庫的所有表所占存儲空間大小：只要加個where條件：where TABLE_SCHEMA = '數據庫名稱'

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 = 'jz-project'
group by TABLE_NAME
order by data_length desc;