题解 | #今天的刷题量(一)#
今天的刷题量(一)
https://www.nowcoder.com/practice/e18f56796ae94c3d885e61c8d57a950e
select distinct t.name name,t.cnt cnt from (select
s2.name name,s1.subject_id sid,
count(s1.id) over(partition by s2.id ) cnt
from
submission s1
left join subject s2 on s1.subject_id = s2.id
where
s1.create_time = curdate()
order by cnt desc,sid asc)t
查看45道真题和解析
