摘要: 与over函数结合的几个函数create table #tab(A varchar(8), B varchar(8))insert into #tabselect 'A1', 'B1' union allselect 'A1', 'B2' union allselect 'A1', 'B3' union allselect 'A2', 'B4' union allselect 'A2', 'B5' union allselect  阅读全文
posted @ 2013-11-29 17:52 hongdada 阅读(390) 评论(0) 推荐(0) 编辑