Database Design


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Table of Contents

Database Design

Database Design Formalisms

Object Definition Language

ODL Class Declarations

ODL Example

ODL Declarations

ODL Example Extended

ODL Declarations, Extended

ODL Example, Extended Again

ODL Declarations, Extended Again

Types in ODL

Allowable Types in ODL

Entity / Relationship Diagrams

PPT Slide

Multi-way Relationships

Roles in Relationships

Roles in Relationships

Attributes on Relationships

Design Principles

What’s Wrong?

What’s Wrong?

Do we really need 3-way relationships?

Author: Alon Levy


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