100+ Composite entity PowerPoint (PPT) Presentations, Composite entity PPTs

Composite entity - PowerPoint PPT Presentation

Database Modeling I

Database Modeling I. The cautious seldom err. Confucius. Class Outline. What are the steps in designing databases? How does one collect information necessary to design a database? Why is modeling important? What are the basic elements of a database model?

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298 views • 24 slides

Transforming Entity-Relationship Models Into Relational Database Implementations

Transforming Entity-Relationship Models Into Relational Database Implementations. Two Simple Rules for Transforming an ERD into Tables. Every entity will be a table. A relationship will be a table only if: It is a many to many relationship or It has its own attributes.

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208 views • 12 slides

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Composite entity - PowerPoint PPT Presentation

Database Modeling I

Transforming Entity-Relationship Models Into Relational Database Implementations