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Hotel(hID, hName, city) primary key is hID Guest(gID, gName, gAddress) primary key is gID Room(hID, rNumber, price) primary key is (hID, rNumber). hID is a foreign key to Hotel relation Book(gID, hID, rNumber, StartDate, EndDate) primary key is all attributes! (hID, rNumber) is a foreign key to Room relation gID is a foreign key to Guest relation. Write in relational algebra the following queries: Select guests who stayed at least 1 day in New York City hotels between September 8, 2001, and September 11, 2001. Select guests who have never booked a room in the same hotels that John Doe has. Select guests who have booked a room in every hotel in Las Vegas.

Hotel(hID, hName, city) primary key is hID Guest(gID, gName, gAddress) primary key is gID Room(hID, rNumber, price) primary key is (hID, rNumber). hID is a foreign key to Hotel relation Book(gID, hID, rNumber, StartDate, EndDate) primary key is all attributes! (hID, rNumber) is a foreign key to Room relation gID is a foreign key to Guest relation. Write in relational algebra the following queries: Select guests who stayed at least 1 day in New York City hotels between September 8, 2001, and September 11, 2001. Select guests who have never booked a room in the same hotels that John Doe has. Select guests who have booked a room in every hotel in Las Vegas.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Hotel(hID, hName, city) primary key is hID Guest(gID, gName, gAddress) primary key is gID Room(hID, rNumber, price) primary key is (hID, rNumber). hID is a foreign key to Hotel relation Book(gID, hID, rNumber, StartDate, EndDate) primary key is all attributes! (hID, rNumber) is a foreign key to Room relation gID is a foreign key to Guest relation. Write in relational algebra the following queries: Select guests who stayed at least 1 day in New York City hotels between September 8, 2001, and September 11, 2001. Select guests who have never booked a room in the same hotels that John Doe has. Select guests who have booked a room in every hotel in Las Vegas.
Transcribed Image Text:Hotel(hID, hName, city) primary key is hID Guest(gID, gName, gAddress) primary key is gID Room(hID, rNumber, price) primary key is (hID, rNumber). hID is a foreign key to Hotel relation Book(gID, hID, rNumber, StartDate, EndDate) primary key is all attributes! (hID, rNumber) is a foreign key to Room relation gID is a foreign key to Guest relation. Write in relational algebra the following queries: Select guests who stayed at least 1 day in New York City hotels between September 8, 2001, and September 11, 2001. Select guests who have never booked a room in the same hotels that John Doe has. Select guests who have booked a room in every hotel in Las Vegas.
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