题解 | #今天的刷题量(一)#
今天的刷题量(一)
https://www.nowcoder.com/practice/e18f56796ae94c3d885e61c8d57a950e
select name,cnt from(select name,subject_id,count(*) cnt from submission s1 left join subject s2 on s1.subject_id=s2.id where date(create_time)=date(now()) group by name,subject_id order by cnt desc,subject_id asc) t