查询score中选学多门课程的同窗中分数为非最高分红绩的记录。

20、查询score中选学多门课程的同窗中分数为非最高分红绩的记录。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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