题解 | 查询2022年以来刷题用户user_id和毕业院校
查询2022年以来刷题用户的用user_id和毕业院校
https://www.nowcoder.com/practice/ea7d9e67f14e4cfc860bbbe9f65420a6
select a.user_id, university from questions_pass_record a left join user_info b on a.user_id = b.user_id where date>='2022-01-01'