SQL 练习29
- 查询课程名称为「数学」,且分数低于 60 的学生姓名和分数
SELECT Student.Sname,Course.Cname,SC.score FROM Student,Course,SC WHERE
Student.SId = SC.SId AND Course.CId = sc.cid AND Course.Cname='数学'AND sc.score <60
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