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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
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Various notations are used in data modelling. The degree/participation terminology
and the associated degree/blob notation are convenient for explaining the entity-
relationship modelling approach, so they will be used in the next few chapters. The
multiplicity notation has become generally accepted as the standard for object-oriented
modelling, so it will be used in Chapter 20.
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Section 9.2
1. (a) A course may be taught by many lecturers.
A lecturer teaches, at most, one course.
There are other, equally valid, solutions. For example:
A course must be taught by many lecturers.
A lecturer teaches exactly one course. ...
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Publisher Resources

ISBN: 9780750650861