求教，Grade表有学生姓名(Name),班级(Class),成绩(Grade)字段,写一条sql语句查询出每个班级前三名成绩
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解决时间 2021-02-01 18:30
- 提问者网友：动次大次蹦擦擦
- 2021-02-01 02:50
求教，Grade表有学生姓名(Name),班级(Class),成绩(Grade)字段,写一条sql语句查询出每个班级前三名成绩
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- 五星知识达人网友：骨子里都是戏
- 2021-02-01 03:16
select t.name,t.class,t.grade from
(select name,class,grade,row_number() over (partition by class order by grade desc) rn from grade) t
where rn<=3 order by t.class,t.grade desc
(select name,class,grade,row_number() over (partition by class order by grade desc) rn from grade) t
where rn<=3 order by t.class,t.grade desc
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- 1楼网友：何以畏孤独
- 2021-02-01 04:23
搜一下：求教，Grade表有学生姓名(Name),班级(Class),成绩(Grade)字段,写一条sql语句查询出每个班级前三名成绩
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