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) AS rk FROM user_profile ) t WHERE rk = 1 ORDER BY university;
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