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oracle查詢行轉(zhuǎn)列怎么寫

oracle查詢行轉(zhuǎn)列怎么寫?

推薦用WM_CONCAT函數(shù) SELECT A.STD, WM_CONCAT(A.F3) NEW_RESUL FROM (SELECT STD, F3 FROM (SELECT STD, F1 F3 FROM TABLE_A UNION ALL SELECT STD, F2 F3 FROM TABLE_A) A) A GROUP BY A.STD