Mysql----查看数据库,表占用磁盘大小

1、查询所有数据库占用磁盘空间大小 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.tab

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