题解 | #考试分数(一)#
考试分数(一)
http://www.nowcoder.com/practice/f41b94b4efce4b76b27dd36433abe398
SELECT job, round(avg(score),3) avg FROM grade
GROUP BY job ORDER BY avg(score) DESC
题解-SQL 文章被收录于专栏
SQL刷题
考试分数(一)
http://www.nowcoder.com/practice/f41b94b4efce4b76b27dd36433abe398
SELECT job, round(avg(score),3) avg FROM grade
GROUP BY job ORDER BY avg(score) DESC
SQL刷题
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