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
Answers: 1
Computers and Technology, 22.06.2019 16:00, sdonachy7
You have inserted new slides based on a word outline. how do you format these new slides to match the powerpoint presentation formatting? a. select all slides in the presentation and click format on the home tab. b. select the new slides and click reset on the home tab. c. select all slides in the presentation and click reset on the home tab. d. select the new slides and click format on the home tab.
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Computers and Technology, 23.06.2019 03:30, natalie2sheffield
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Computers and Technology, 24.06.2019 11:20, isabelperez063
Every telecommunication setup uses two devices: one device to transmit data and one device to receive data. which device transmits frequencies to mobile phones? towers transmit frequencies to mobile phones.
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Please help me answer and formulate the following queries in relational algebra and then implement t...
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