1. Lecture 4: Enhanced E-R Model ISOM3260, Spring 2014 2. 2 Where we are now • Database environment – Introduction to database • Database development process – steps…
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…