select OBJECT_NAME(ID)
,SIZE = sum(reserved) * CONVERT(FLOAT, (SELECT LOW FROM MASTER.DBO.SPT_VALUES WHERE NUMBER = 1 AND TYPE = 'E')) /1024.00/1024.00
--表大小（字节）= 8192 x Num_Pages (M)
from sysindexes
where indid in (0,1,255)
GROUP BY ID
ORDER BY SIZE DESC
EXEC sp_MSforeachtable
@command1="print '?'",
@command2="sp_spaceused '?'",
@command3= "SELECT count(*) FROM ? "