题解 | #每个学校有哪些年龄的学生#
每个学校有哪些年龄的学生
https://www.nowcoder.com/practice/154f6d615062482d8a3618862f019930
select university ,group_concat(distinct age order by age asc ) age_concat from user_profile group by university
每个学校有哪些年龄的学生
https://www.nowcoder.com/practice/154f6d615062482d8a3618862f019930
select university ,group_concat(distinct age order by age asc ) age_concat from user_profile group by university
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