题解 | #查询结果去重#
查询结果去重
https://www.nowcoder.com/practice/82ebd89f12cf48efba0fecb392e193dd
--分组查询 select university from user_profile group by university
查询结果去重
https://www.nowcoder.com/practice/82ebd89f12cf48efba0fecb392e193dd
--分组查询 select university from user_profile group by university
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