Mysql--子查詢練習

MySQL子查詢練習題目 （這一塊不好的）mysql 1. 查詢全部課程成績都小於等於60分的同窗的學號、姓名； (select sid from sc group by sid having max(score)<=60) a 用錶鏈接 select * from student b inner join (select sid from sc group by sid having max(s

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