Documents Database Systems-Lec4

Chapter 6 Entity Relationship (E-R) Modeling Developing an E-R Diagram • The process of database design is an iterative rather than a linear or sequential process. •…

Documents Chapter5 - Supertypes and Subtypes

SUPER TYPES AND SUBTYPES Objectives After completing this chapter, you should be able to: Describe advanced concepts of database design Define Subtypes and Supertypes Describe…