if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[TableSpace]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[TableSpace]
go

create table TableSpace
(
 TableName  varchar(20),
 RowsCount char(11),
 Reserved varchar(18),
 Data  varchar(18),
 Index_size varchar(18),
 Unused  varchar(18)  
)
go

declare @sql varchar(500)
declare @TableName varchar(20)

declare Cursor1 Cursor
for
 select name from sysobjects where xtype='U'

open Cursor1
fetch next from Cursor1 into @TableName

while @@fetch_status = 0
begin
 set @sql = 'insert into TableSpace '
 set @sql = @sql + ' exec sp_spaceused '''+ @TableName + ''' '
 exec (@sql)
 fetch next from Cursor1 into @TableName
end
close Cursor1
deallocate Cursor1
go

--显示结果
select * from TableSpace
--order by TableName
--order by TableName ASC   --按表名称，用于统计表
--order by RowsCount DESC   --按行数量，用于查看表行数
--order by Reserved DESC, Data DESC  --按占用空间
--order by Index_size DESC, Reserved DESC  --按索引空间查看
go

--查看库的使用状况,可以随时执行的。
--exec sp_spaceused
--go