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1 覓語1 #企.... col1 . col2 ------------ A a1 A b1 B a1 C b1 D a1 D b1 D c1 企蟆 譟郁唄朱 (a1, b1) 語 a1 螻 b1 螻 A - a1, A - b1, D-a1, D-b1 襷 螳語り 苦給. B - a1, C - b1, D - c1 襦磯 觜手 れ襦 譟郁唄 (a1, b1) るジ 企 譟壱 螳. 磯 蠏碁9 讌伎 る 企至 伎 讌...碁朱 覿襴暑.* 讌覓 覲: http://www.devpia.com/MAEUL/Contents/Post.aspx?BoardID=41&MAEULNO=17&mode=Reply&no=7099&page=1 * 蟆郁骸 覈讌 讌襷, 企 手 螳螻.. [edit]
2 1 #--drop table #temp select 'A' col1, 'a1' col2 into #temp union all select 'A' col1, 'b1' col2 union all select 'B' col1, 'a1' col2 union all select 'C' col1, 'b1' col2 union all select 'D' col1, 'a1' col2 union all select 'D' col1, 'b1' col2 union all select 'D' col1, 'c1' col2 --襾 豢 企蟆.. ;with rs as ( select col1 , min(case when seq = 1 then col2 end)col2 , min(case when seq = 2 then col2 end) col3 from #temp a cross join (select 1 seq union all select 2) b where col2 in ('a1', 'b1') group by col1 ) select a.* from #temp a inner join rs b on a.col1 = b.col1 and a.col2 in (b.col2, b.col3) where b.col2 is not null and b.col3 is not null
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