题解 | #考试分数(二)#
考试分数(二)
http://www.nowcoder.com/practice/f456dedf88a64f169aadd648491a27c1
小做一下表链接就好了
select g.id,g.job,g.score FROM grade g JOIN (select job,avg(score) a FROM grade GROUP BY job) t on g.job=t.job WHERE g.score>a order BY id
考试分数(二)
http://www.nowcoder.com/practice/f456dedf88a64f169aadd648491a27c1
小做一下表链接就好了
select g.id,g.job,g.score FROM grade g JOIN (select job,avg(score) a FROM grade GROUP BY job) t on g.job=t.job WHERE g.score>a order BY id
相关推荐