查询数据库中表所占用的物理硬盘大小

SELECT   OBJECT_NAME (i. object_id )  AS  TableName,data_pages * 8   AS  DataSize  -- 这里返回的是数据页个数，1页是8K，所以乘以8
FROM  sys.indexes  as  i
JOIN  sys.partitions  as  p  ON  p. object_id   =  i. object_id   and  p.index_id  =  i.index_id
JOIN  sys.allocation_units  as  a  ON  a.container_id  =  p.partition_id
where  i. object_id = OBJECT_ID ( ' tablename ' )