sql查询数据库中所有表的记录条数，以及占用磁盘空间大小。

 SELECT
 TableName = obj.name,
 TotalRows = prt.rows,
 [SpaceUsed(KB)] = SUM(alloc.used_pages)*
 FROM sys.objects obj
 JOIN sys.indexes idx on obj.object_id = idx.object_id
 JOIN sys.partitions prt on obj.object_id = prt.object_id
 JOIN sys.allocation_units alloc on alloc.container_id = prt.partition_id
 WHERE
 obj.type = 'U' AND idx.index_id IN (, )
 GROUP BY obj.name, prt.rows
 ORDER BY TotalRows DESC