[MySQL] 중복 데이터 하나만 표시하기
하나를하더라도최선을
2020-01-04 12:18:54
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SELECT MAX(`uid`) AS uid, `problemNum`, `studentID`, `correct`, `PaperNum`, `teacherID` FROM `test_result` WHERE `problemNum` = '2281' GROUP BY `problemNum` ORDER BY `uid` DESC