CHAPTER 3: THE ENHANCED E-R MODEL * Modern Database Management Chapter 3 © 2013 Pearson Education, Inc.  Publishing as Prentice Hall OBJECTIVES Define terms Understand…

Slide 1 Chapter 4 1 Chapter 4: The Enhanced ER Model and Business Rules Slide 2 Chapter 4 2 Supertypes and Subtypes Subtype: A subgrouping of the entities in an entity type…

CHAPTER 3: THE ENHANCED E-R MODEL * Modern Database Management Chapter 3 © 2013 Pearson Education, Inc.  Publishing as Prentice Hall OBJECTIVES Define terms Understand…

The Enhanced ER Model and Business Rules © 2011 Pearson Education, Inc.  Publishing as Prentice Hall 1 Chapter 3: The Enhanced E-R Model Modern Database Management…

Database Systems Supertypes and Subtypes Lecture # 10 Supertypes and Subtypes Supertype: An generic entity type that has a relationship with one or more subtypes Subtype:…

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© 2007 by Prentice Hall * Chapter 4: The Enhanced ER Model and Business Rules Modern Database Management 8th Edition Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden…

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