你能告訴我在哪裏我可以INNER JOIN表的FK_roomTypesID,FK_BedTypeID和FK_roomViewsID?所有的FK都與主小組不同。加入兩個以上的表「不在」條款
MySqlDataAdapter da = new MySqlDataAdapter("SELECT RoomNo, RoomBedsNo,
RoomSmoking, RoomMiniBar,RoomKitchen,RoomFirePlace,RoomBalcony, RoomVeranda,
RoomGarden, RoomEntrance, RoomAirCondition, RoomTV, FK_roomTypesID,
FK_BedTypeID, FK_roomViewsID FROM tblrooms WHERE roomsID NOT IN(SELECT FK_roomsID
FROM tblbooking WHERE '" + arrdate + "' < checkOutDate AND '" + depdate + "' >
checkInDate)", conn);
您能告訴我們您的數據庫模型嗎? – 2014-12-27 18:22:56
不,我們不能告訴您,因爲我們無法讀懂您的想法或查看數據庫中的表格。 – 2014-12-27 18:36:20