摘要：
declare @t table(a int,b int) insert into @t select 12, 34 union all select 12, 56 union all select 12, 23 union all select 13, 33 union all select 14, 11 union all select 14, 15 select *,c=(select co... 阅读全文
posted @ 2010-10-21 14:31
马建康
阅读(569)
评论(0)
推荐(0)