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
user_id
,room_id
,room_type
,datediff(checkout_time,checkin_time) as days
from checkin_tb
left join guestroom_tb
using(room_id)
where date(checkin_time) >= '2022-06-12'
and datediff(checkout_time,checkin_time) >=2
order by 4,2,1 desc
;
