Question
DATABASE SYSTEM QUESTION Consider the following relational database: Flight (flight-no, source-airport, destination-airport) Reservation ( passenger-ssn, flight-no, class) Airport (airport-name, city) Explain in words what results
DATABASE SYSTEM QUESTION
Consider the following relational database: Flight (flight-no, source-airport, destination-airport) Reservation ( passenger-ssn, flight-no, class) Airport (airport-name, city) Explain in words what results are returned by the following Relational Algebra expressions: (a) flight-no (source-airport = Esenboga destination-airport = Ataturk (Flight)) (b) flight-no (source-airport = airport-name city = Istanbul (Flight X Airport))
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Modern Database Management
Authors: Donald A. Carpenter Fred R. McFadden
1st Edition
8178088045, 978-8178088044
