题解 | #今天的刷题量(一)#
今天的刷题量(一)
https://www.nowcoder.com/practice/e18f56796ae94c3d885e61c8d57a950e
with b1 as (select date_format(now(),"%Y-%m-%d") create_time) select name,count(*) cnt from (select subject_id id, date_format(create_time,"%Y-%m-%d") create_time -- 将日期格式化 from submission)b2 join b1 using(create_time) -- 和今日日期作内连接 join subject using(id) -- 连接提单表 group by name,id order by cnt desc,id
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