Chapter 5 The Relational Data Model and Relational Database Constraints Copyright © 2004 Pearson Education, Inc. Chapter Outline Relational Model Concepts Relational…

What is C++? Released in 1985, C++ is an object-oriented programming language created by Bjarne Stroustrup. C++ maintains almost all aspects of the C language, while simplifying…

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Chapter 5 The Relational Data Model and Relational Database Constraints Copyright © 2004 Pearson Education, Inc. Chapter Outline Relational Model Concepts Relational Model…

1. There are two levels at which we discuss the goodness of relation schema •Logical (or Conceptual)Level•Implementation (or storage ) Level 2. 4 Informal measures of…

Chapter 5 The Relational Data Model and Relational Database Constraints Copyright © 2004 Pearson Education, Inc. Chapter Outline Relational Model Concepts Relational…

1. The Relational Algebra 2. Mathematical Relations For two sets D1 and D2, the Cartesian product, D1 X D2 , is the set of all ordered pairs in which the first element is…

Slide 1CM20145 Further DB Design – Normalization Dr Alwyn Barry Dr Joanna Bryson Slide 2 Last Time Database design is an ongoing, iterative process. Requirements come from…