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 device_id, university, gpa from (select device_id, university, gpa, rank() over(PARTITION by university order by gpa asc) as rk from user_profile) as a where a.rk=1