查询所有数据库占用磁盘空间大小的SQL语句: 1 select concat(truncate(sum(data_length)/1024/1024,2),' MB') as data_size from information_schema.tables; 查询单个库中所有表磁盘占用大小的SQL语句: 1 2 3 4 5 6 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……
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