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Database Systems by Shripad V. Godbole, Elvis C. Foster

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CHAPTER 3

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The Relational Model

This chapter introduces you to the fundamental principles and concepts upon which subsequent chapters will be built. Discussion advances under the following captions:

  • Basic Concepts
  • Domains
  • Relations
  • Relational Database System
  • Identifying, Representing and Implementing Relationships
  • Relation-Attributes List and Relationship List
  • Non-relational Approaches
  • Summary and Concluding Remarks

3.1 Basic Concepts

The relational model is by far the most widely used model for database design. The model owes its success to the fact that it is firmly founded on mathematical principles (set theory and linear algebra) which have ...

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