题解 | 获得积分最多的人(一)
获得积分最多的人(一)
https://www.nowcoder.com/practice/1bfe3870034e4efeb4b4aa6711316c3b
SELECT b.name,MAX(a.grade_num) grade_num FROM( SELECT user_id,SUM(grade_num) OVER(partition by user_id) grade_num FROM grade_info ) a INNER JOIN user b ON a.user_id =b.id GROUP BY b.name ORDER BY grade_num DESC LIMIT 1