List the names and addresses of all guests in Kuala Lumpur
(a) Based on the schema above, describe the relations that would be produced by the following relational algebra operations: i. ΠhotelNo (σprice > 50 (Room) ) [2 Marks] ii. σHotel.hotelNo = Room.hotelNo(Hotel × Room) [2 Marks] iii. ΠhotelName (Hotel ⊳⊲ Hotel.hotelNo = Room.hotelNo (σprice > 50 […]