题解 | 查询连续入住多晚的客户信息?
查询连续入住多晚的客户信息?
https://www.nowcoder.com/practice/5b4018c47dfd401d87a5afb5ebf35dfd
select t1.user_id user_id ,t1.room_id room_id ,t2.room_type room_type ,datediff(t1.checkout_time,t1.checkin_time) days from checkin_tb t1 join guestroom_tb t2 on t1.room_id = t2.room_id where left(checkin_time,10) >= '2022-06-12' and datediff(t1.checkout_time,t1.checkin_time) >1 order by 4,2,1 desc