Chapter 4 Logical Database Design and the Relational Model
• Relational model is more concrete, lower level – Usually many more tables than entities – Harder to understand by non-technical people – Directly implementable 24 Six Cases of Transforming E-R Diagrams into Relations 1. Map Regular Entities 2. Map Binary Relationships 3. Map Weak Entities 4. Map Associative Entities 5.
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