April 2016
Intermediate to advanced
712 pages
18h 34m
English
Content preview from Relational Database Design and Implementation, 4th Edition
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Chapter 3
Why Good Design Matters
Abstract
This chapter reinforces the idea that there are significant practical reasons to care about database design. It discusses the problems that occur frequently with poorly designed databases, as a prelude to the following chapters that teach the principles of good database design.
Keywords
database design
poor database design
insertion anomalies
deletion anomalies
entity identifiers
Many of today’s businesses rely on their database systems for accurate, up-to-date information. Without those repositories of mission-critical data, most businesses are unable to perform their normal daily transactions, much less create summary reports that help management make corporate decisions. To be useful, the data in a database ...
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