题解 | 找出每个学校GPA最低的同学
找出每个学校GPA最低的同学
https://www.nowcoder.com/practice/90778f5ab7d64d35a40dc1095ff79065
SELECT
t.device_id,
t.university,
t.gpa
FROM
(SELECT
device_id,
university,
gpa,
ROW_NUMBER() OVER(
PARTITION BY university
ORDER BY gpa ASC) AS r
FROM user_profile) t
WHERE t.r=1
