1.The Enhanced E-R Model and Business Rules Modern Database Management Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden2. Super types and Subtypes Subtype: A sub grouping…

The Enhanced E-R Model Database Management System 1 (ITED123A) Objectives ⢠Define terms ⢠Understand use of supertype/subtype relationships ⢠Understand use of…

Slide 1Chapter 3  Define terms  Understand use of supertype/subtype relationships  Understand use of specialization and generalization techniques  Specify completeness…

Slide 1 1 © Prentice Hall, 2002 Chapter 4: The Enhanced E-R Model and Business Rules Modern Database Management 6 th Edition Jeffrey A. Hoffer, Mary B. Prescott, Fred R.…

Slide 1CHAPTER 3: THE ENHANCED E-R MODEL Copyright © 2014 Pearson Education, Inc. 1 Essentials of Database Management Jeffrey A. Hoffer, Heikki Topi, V. Ramesh Slide 2 Chapter…

Slide 1 Enhanced Entity-Relationship Modeling Slide 2 Entity, Relationship, Attribute Ebay: –Bid: Is this an entity or relationship? –Item and images Is image an entity…

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…

Slide 1 IS 4420 Database Fundamentals Chapter 4: The Enhanced ER Model and Business Rules Leon Chen Slide 2 2 Systems Development Life Cycle Project Identification and Selection…