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Developing High Quality Data Models
book

Developing High Quality Data Models

by Matthew West
February 2011
Beginner to intermediate
408 pages
14h 35m
English
Morgan Kaufmann
Content preview from Developing High Quality Data Models
7. Applying the Principles for Attributes
Chapter Outline
7.1 Looking for Attributes Representing Relationships 79
7.1.1 An Example—Sales Product 80
7.1.2 An Example— Personnel and Security 82
7.2 Identifiers 84
7.2.1 Internal Identification 84
7.2.2 An Example of Inappropriate Choice of Unique Identifier—Ship 85
7.2.3 External Identification 87
7.3 What Other Attributes Might You Expect? 88
7.4 Concluding Remarks on Attributes 88
In this chapter, I look at some practical examples of problems that arise with attributes in data models and how the principles set out in the previous chapter can help overcome or avoid these problems, because they lead to data models that are more stable and regular ...
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Publisher Resources

ISBN: 9780123751065