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
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