SQL查询时某一列不重复（先对先得）解决方法
日期：2014-05-19 浏览次数：20956 次
SQL查询时某一列不重复（先对先得）
SELECT DISTINCT OverTimeHead.ApplyNo, OverTimeList.OverTimeListId
FROM OverTimeHead INNER JOIN OverTimeList ON OverTimeHead.OverTimeHeadId = OverTimeList.OverTimeHead
我要Apply不重复
------解决方案--------------------
SELECT DISTINCT OverTimeHead.ApplyNo
FROM OverTimeHead INNER JOIN OverTimeList ON OverTimeHead.OverTimeHeadId = OverTimeList.OverTimeHead
SELECT DISTINCT OverTimeHead.ApplyNo, OverTimeList.OverTimeListId
FROM OverTimeHead INNER JOIN OverTimeList ON OverTimeHead.OverTimeHeadId = OverTimeList.OverTimeHead
我要Apply不重复
------解决方案--------------------
SELECT DISTINCT OverTimeHead.ApplyNo
FROM OverTimeHead INNER JOIN OverTimeList ON OverTimeHead.OverTimeHeadId = OverTimeList.OverTimeHead
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