CHAPTER
4
The Relational Model
TABLE OF CONTENTS
4.1 Advantages of the Relational Model
4.2 Relational Data Structures
4.3 Integrity Constraints: domain, key, foreign key, general constraints
4.4 Representing Relational Database Schemas
4.5 Relational Data Manipulation Languages
4.7 Mapping an E-R Model to a Relational Schema
4.8 Mapping an EE-R Model to a Relational Schema
CHAPTER OBJECTIVES
In this chapter you will learn the following:
› Some advantages of the relational model
› How tables are used to represent data
› Characteristics of database relations
› The meaning of entity integrity and referential integrity
› The categories of relational languages
› How to ...
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