题解 | #注册当天就完成了试卷的名单第三页#
注册当天就完成了试卷的名单第三页
https://www.nowcoder.com/practice/718d36d2667b48faa2168b6c1521816a
select a.uid, level, register_time, max(score) max_score from user_info a, examination_info b, exam_record c where a.uid=c.uid and c.exam_id=b.exam_id and b.tag='算法' and a.job='算法' and date_format(a.register_time,'%Y%m%d')=date_format(c.submit_time,'%Y%m%d') group by a.uid order by max_score desc limit 6,3
把题目读错了，以为是要注册当天完成所有算法类题目
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