SELECT *
FROM room
WHERE room_no NOT IN
(
SELECT room_no
FROM booking
WHERE check_outdate >= @req_fdate
AND check_indate <= @red_tdate
)
AND room_no NOT IN
(
SELECT room_no
FROM reservation
WHERE check_outdate >= @req_fdate
AND check_indate <= @red_tdate
)
Preste atenção na ordem ou nos argumentos:
@req_fdate
aqui está a primeira data aqui (de ), @req_tdate
é a última data (até ). Para verificar a disponibilidade a partir de
Aug 16
até Aug 19
, usa isto:SELECT *
FROM room
WHERE room_no NOT IN
(
SELECT room_no
FROM booking
WHERE check_outdate >= '2010-08-16'
AND check_indate <= '2010-08-19'
)
AND room_no NOT IN
(
SELECT room_no
FROM reservation
WHERE check_outdate >= '2010-08-16'
AND check_indate <= '2010-08-19'
)