SQL Server 查看数据表占用空间大小的SQL语句

 declare @name varchar(1000)
 declare @sql varchar(1000)

 if object_id('tempdb..#space') is not null drop table #space
 create table #space(name varchar(50),rows bigint,reserved varchar(12),data varchar(12),index_size varchar(12),unused varchar(12))

 declare sp cursor local for select '['+name+']' from sysobjects where type = 'u'
 open sp
 fetch sp into @name
 while @@fetch_status = 0
 begin
 set @sql = 'insert into #space exec sp_spaceused ' + @name
 exec(@sql)
 fetch sp into @name
 end
 close sp

 select * from #space order by cast(replace(reserved,'kb','')as int) desc

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