题解 | #今天的刷题量(一)#
今天的刷题量(一)
https://www.nowcoder.com/practice/e18f56796ae94c3d885e61c8d57a950e
select name, count(*) as cnt from subject s left join submission m on s.id=m.subject_id where create_time = curdate() group by subject_id,name order by cnt desc ,subject_id;
