question about databases (20 points) [Exercise 4.8] Identify the foreign keys in this schema: Explain how the entity and referential integrity rules apply to these relations. The following tables form part of a database held in relational DBMS: Hotel (hotelNo: hotelName, city) Room (roomNo; hotelNe; type. price) Booking (hotelNo; guestNo, dateFto; dateTo, roomNo) Guest guest No, guest Name, guestAddress) Hotel contains hotel details and hotelNo is the primary key; Room contains room details for each hotel and (roomNo, hotelNo) forms the primary key; Booking contains details of the bookings and (hotelNo, guestVo; dateFrom) forms the primary key; Guest contains guest details and guestNo is the primary key: