题解 | #考试分数(二)#
考试分数(二)
https://www.nowcoder.com/practice/f456dedf88a64f169aadd648491a27c1
select g.id ,g.job ,g.score from grade g left join (select job, avg(score) as avg_sc from grade group by job) as s on g.job=s.job where g.score>s.avg_sc
考试分数(二)
https://www.nowcoder.com/practice/f456dedf88a64f169aadd648491a27c1
select g.id ,g.job ,g.score from grade g left join (select job, avg(score) as avg_sc from grade group by job) as s on g.job=s.job where g.score>s.avg_sc
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