Entity-Relationship Modeling and Normalization Errors

Entity-Relationship Modeling and Normalization Errors

Douglas B. Bock (Southern Illinois University at Edwardsville, USA)
Copyright: © 1997 |Pages: 10
DOI: 10.4018/jdm.1997010101
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Abstract

Automated data modeling is a key component of modern Computer-Aided Software Engineering (CASE) tools. Systems analysts use CASE tools to model business processes and data in using a rapid application development methodology for software development. A key component of the development process is the conversion of entity-relationship diagrams to normalized relational tables. Designers rely on CASE tools to generate normalized table structures; however, a generated relational schema is only as good as the data model diagram upon which it is based. This article outlines situations where errors in entity-relationship models can result in non-normalized table structures.

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