Answered: Cathay Airlines stores details about an…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Consider the following scenario and draw an E-R diagram for Cathay airlines.

Cathay Airlines stores details about an airline’s fleet, flights, and seat bookings. The airline has one or more airplanes and an airplane has a model number, a unique registration number, and the capacity to take one or more passengers. An airplane flight has a unique flight number, a departure airport, a destination airport, a departure date and time, and an arrival date and time. Each flight is carried out by a single airplane. A passenger has given names, a surname, address and a unique email address. . Each address is made up of a street, a city and a postcode. A passenger can book a seat on a flight.

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