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, row_number() over ( partition by university order by gpa ) as rk from user_profile) a where a.rk= 1 order by university
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