1. PUNJAB CITIES GOVERNANCE IMPROVEMENT PROJECT (PCGIP) WASA (MDA)MULTAN January, 2015 2.
Institute of Southern Punjab, Multan - WordPress.com · 2017-12-14 · Institute of Southern...
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Institute of Southern Punjab, Multan
Mr. Muhammad Nouman Farooq
BSC-H (Computer Science)
MS (Telecomm. and Networks)
Honors:
Magna Cumm Laude Honors Degree
Gold Medalist!
Blog Url: noumanfarooqatisp.wordpress.com
E-Mail: [email protected]
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Advance Database Systems
Lecture# 3
Enhanced Entity
Relationship
Diagrams (EERD)
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Lecture 3: Enhanced Entity Relationship Diagrams
(EERD)
Enhanced Entity Relationship Diagrams
(EERD)
Sub Type and Super Type Relationships
Entity Clustering
Mapping/Transforming Enhanced Entity
Relationship Diagram3
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Enhanced Entity Relationship Diagrams
(EERD)
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Enhanced Entity Relationship Diagrams
(EERD)
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Sub Type and Super Type Relationships
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Sub Type and Super Type Relationships
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Continued…
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Basic Concept and Notation
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Representing Specialization and
Generalization
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Specifying Constraint in Sub Type/Super Type
Relationships
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Specifying Disjointness Constraints
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Defining Subtype Discriminators
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Defining Super Type/Sub Type Hierarchies
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Entity Clustering
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Entity Clustering
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Mapping/Transforming Enhanced Entity
Relationship Diagram
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Mapping/Transforming Enhanced Entity
Relationship Diagram
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EERD Online Simulator: -
https://www.draw.io/
https://creately.com
Desktop Simulators for EERD: -
Microsoft Visio
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EERD Simulators/Tools
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Recommended Readings
Chapter 4 from: -
Modern Database Management by Jeffrey A. Hoffer, Mary B. Prescott
& Fred R. McFadden, 8th Edition (Page No. 172-216)
Chapter 5 from: -
Modern Database Management by Jeffrey A. Hoffer, Mary B. Prescott
& Fred R. McFadden, 8th Edition (Page No. 242-243)
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Summary of Lecture
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Lecture 3➦
Enhanced Entity Relationship Diagrams (EERD)
Sub Type and Super Type Relationships
Entity Clustering
Mapping/Transforming Enhanced Entity Relationship Diagram
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END OF LECTURE 3
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