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Update column based on whether a row exists in another column ...
瀏覽:1017
日期:2026-04-24
Join Date: Jan 2003; Posts: 4,139. Try this: Code: update t1 set b = case when
exists (select 1 from T2 where T2.C = T1.A) then 'Y' else 'N' end....看更多




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