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
with t as( select ct.room_id, ct.user_id, gt.room_type, datediff(checkout_time,checkin_time) days from checkin_tb ct left join guestroom_tb gt on ct.room_id = gt.room_id where checkin_time>= '2022-06-12' ) select user_id, room_id, room_type, days from t where days > 1 order by days asc, room_id asc,user_id desc