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CS403ERD

This document provides an overview and details of an entity-relationship (E-R) data model lecture. It discusses key concepts in E-R modeling including entities, attributes, and relationships. Entities can be entity types, instances, or sets. Attributes and relationships are also core components of an E-R model. The lecture emphasizes that an E-R model provides an expressive way to design a conceptual database that can later be transformed for implementation in a specific database management system.

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0% found this document useful (0 votes)
82 views54 pages

CS403ERD

This document provides an overview and details of an entity-relationship (E-R) data model lecture. It discusses key concepts in E-R modeling including entities, attributes, and relationships. Entities can be entity types, instances, or sets. Attributes and relationships are also core components of an E-R model. The lecture emphasizes that an E-R model provides an expressive way to design a conceptual database that can later be transformed for implementation in a specific database management system.

Uploaded by

Azeem
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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