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HAPTER 4

HAPTER 4. Relational Databases. INTRODUCTION. Questions to be addressed in this chapter: How are databases different than file-based legacy systems? Why are databases important and what is their advantage? What is the difference between logical and physical views of a database?

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Discrete Maths

Discrete Maths. 242-213 , Semester 2, 2013 - 2014. Objective to introduce relations, show their connection to sets, and their use in databases. 5. Relations. Overview. Defining a Relation Relations on a Set Properties of a Relation reflexive, symmetric, transitive

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HAPTER 4

Discrete Maths