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题解 | #月总刷题数和日均刷题数#

select date_format(submit_time, "%Y%m") as submit_month, count(submit_time) as ...

Mysql

2022-01-25

0 413

题解 | #得分不小于平均分的最低分#

select min(t1.score) as min_score_over_avg from exam_record as t1 join exa...

Mysql

2022-01-25

0 308