oracle關鍵字pivot行轉列【坑爹的三小時，動腦經真累 】

首先感謝提供Oracle的行列轉換絲路！！！html 原始表數據：sql 輔助思考：.net select usertelephone, max(decode(filedid, 1, answervalue, 0)) as "問題1", max(decode(filedid, 2, answervalue, 0)) as "問題2", max(decode(filedid, 3, an

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