sqlserver快速查询表的数据量和容量等信息

EXEC sp_spaceused 表名   可以查询表的数据量和容量等信息，
循环查询数据库下表的的数据量和容量等信息用一下代码：
if exists(select * from tempdb..sysobjects where id=object_id('tempdb..#spaceused'))
begin
drop table #spaceused
end

create table #spaceused (
  name varchar(40),
  rows char(11), 
  reserced varchar(18),
  date varchar(18),
  index_size varchar(18),
  unuesd varchar(18)
)
declare @cursor cursor
declare @name varchar(40)
set @cursor = cursor for
   select
    name
   from
    sysobjects
   where
    xtype = 'U'
    and name='M_TABLE'
open @cursor
fetch next from @cursor into @name
while @@fetch_status = 0
 begin 
  insert into #spaceused
  EXEC sp_spaceused @name

  fetch next from @cursor into @name
 end

select * FROM #SPACEUSED