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Data Analysis for Database Design, 3rd Edition
book

Data Analysis for Database Design, 3rd Edition

by David Howe
May 2001
Intermediate to advanced content levelIntermediate to advanced
336 pages
14h 36m
English
Butterworth-Heinemann
Content preview from Data Analysis for Database Design, 3rd Edition
Questions
1. Decide on plausible participation conditions for the entity types in each of the
following: (2 min)
Entity types Relationship
(a) House, Person Ownership
(b) House, Tenant Occupation
(c) Order, OrderLine Contains (An order may contain
several order-lines, each referring to
a different item on the order.)
(d) SalesArea, Customer HasAssigned
(e) BankClient, ClientAccount Possesses
(f) Employee, Skill Has
2. Draw an entity-relationship type diagram and a sample entity-relationship
occurrence diagram for each part of question 1. Represent each entity occurrence by a
dot. There is no need to show entity identifiers. (5 min)
3. What practical difficulty ...
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Publisher Resources

ISBN: 9780750650861