mysql 給select的結果添加一列序號

SET @mycnt=0;html SELECT @mycnt := @mycnt +1 as mycnt, a.*, b.* post FROM a, b;htm 表中第一列即爲mycnt，從1開始計數。blog 轉載於:https://www.cnblogs.com/CSGrandeur/archive/2012/11/30/2796382.htmlclass

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