July 2024
Intermediate to advanced
1032 pages
36h 33m
English
Content preview from Information Modeling and Relational Databases, 3rd Edition
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8 Entity-Relationship Modeling
Abstract
This chapter provides an overview of entity-relationship (ER) modeling, then discusses Barker ER notation, information engineering notation, IDEF languages (especially IDEF1X), and compares these approaches with object-role modeling (ORM). Procedures for mapping ORM models to ER models are then discussed.
Keywords
Entity-relationship modeling; ER; Barker ER; Information engineering notation; IDEF; IDEF1X; Mapping ORM to ER
8.1 Overview of ER
The entity-relationship (ER) modeling approach views a business domain in terms of entities that have attributes and participate ...
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