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(1) cnt from submission left join subject on submission.subject_id = subject.id where create_time = curdate() group by subject.id,name order by cnt desc,subject.id