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ElightN, EromCity, ToCity, ElightDate. DepartureTime. ArrivalTime. TicketN. TicketDate, PassengerName, Cost, Completed, PassengerAddress, Passenger Age.

ElightN, EromCity, ToCity, ElightDate. DepartureTime. ArrivalTime. TicketN. TicketDate, PassengerName, Cost, Completed, PassengerAddress, Passenger Age.

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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Consider the following attributes of ElightN, EromCitv. ToCity, ElightDate. DepartureTime. ArrivalTime. TicketN. TicketDate, PassengerName, Cost, Completed, PassengerAddress, Passenger Age. Based on the following assumptions: FlightN and FlightDate together are the key for the FromCity, ToCity, ElightDate, DepartureTime, and ArTivalTime: Every ticket belongs to only one passenger; Every passenger may purchase more than one ticket; Every Ticket may include more than one flight; Every flight of a ticket together determine the Cost and the attribute Completed which indicates whether the flight has been completed ( i.e. the passenger has used it). Draw an ER diagram for this information system using ID1FX notation.
Transcribed Image Text:Consider the following attributes of ElightN, EromCitv. ToCity, ElightDate. DepartureTime. ArrivalTime. TicketN. TicketDate, PassengerName, Cost, Completed, PassengerAddress, Passenger Age. Based on the following assumptions: FlightN and FlightDate together are the key for the FromCity, ToCity, ElightDate, DepartureTime, and ArTivalTime: Every ticket belongs to only one passenger; Every passenger may purchase more than one ticket; Every Ticket may include more than one flight; Every flight of a ticket together determine the Cost and the attribute Completed which indicates whether the flight has been completed ( i.e. the passenger has used it). Draw an ER diagram for this information system using ID1FX notation.
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