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
user.name,
SUM(grade_num) OVER( PARTITION BY user_id ) AS total_num
FROM
grade_info
JOIN
user
ON
grade_info.user_id = user.id
WHERE
type = 'add'
ORDER BY
total_num DESC
LIMIT 1
