查詢score中選學多門課程的同窗中分數爲非最高分紅績的記錄。

20、查詢score中選學多門課程的同窗中分數爲非最高分紅績的記錄。blog SELECT *  FROM  (SELECT *         FROM SCORE         WHERE DEGREE not in (SELECT MAX(DEGREE) DEGREE FROM SCORE group by CNO)) t1class WHERE SNO NOT IN (SELECT  S

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