Computers and Technology
Computers and Technology, 05.09.2020 16:01, Leftie500

Please help me answer and formulate the following queries in relational algebra and then implement them in SQL. 1. Produce a relation that is containing all hotel names 2. Produce a relation that is containing all rooms at all hotels. Display hotelName and city and room type 3. Produce a relation that is containing all hotel names with a room price above £50. 4. List the price and type of all rooms at the Grosvenor Hotel. 5. List the name of guests who are staying at the Grosvenor Hotel. The following tables form part of a database held in a relational DBMS:- Hotel (hotelNo, hotelName, city) Room (roomNo, hotelNo, type, price) Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo) Guest (guestNo, guestName, guestAddress) where 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, guestNo, dateFrom) forms the primary key; and Guest contains guest details and guestNo is the primary key. Formulate

answer
Answers: 1

Other questions on the subject: Computers and Technology

image
Computers and Technology, 22.06.2019 17:30, kallee10
The forerunner to cell phones, pdas, and smartphones was
Answers: 1
image
Computers and Technology, 22.06.2019 20:00, manyah6189
Amanda needs to create an informative print brochure for her local library’s fundraiser dinner. what critical detail must she have before she starts designing the brochure?
Answers: 1
image
Computers and Technology, 23.06.2019 16:30, jessisjawsome
If i wanted to include a built-in calendar in a document, what option could i select? draw table insert table insert chart quick tables
Answers: 1
image
Computers and Technology, 24.06.2019 08:30, colebuug9
Aconsumer would pay an extra they used the rent to own program to buy the computer, rather than using cash. for all of the items, is the cheapest option over the life of the contract. the most expensive overall option is to use purchase the item.
Answers: 2
Do you know the correct answer?
Please help me answer and formulate the following queries in relational algebra and then implement t...

Questions in other subjects:

Konu
Mathematics, 17.10.2019 02:00