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Chapter 6

Chapter 6

The Relational Algebra and Relational Calculus. Chapter 6. Chapter Outline. Relational Algebra Unary Relational Operations Relational Algebra Operations From Set Theory Binary Relational Operations Additional Relational Operations Examples of Queries in Relational Algebra

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1.1k views • 91 slides
Chapters 3-6 Relational Data Models, Relational Constraints, and Relational Algebra

Chapters 3-6 Relational Data Models, Relational Constraints, and Relational Algebra

Chapters 3-6 Relational Data Models, Relational Constraints, and Relational Algebra. Flat file: A two dimensional array of attributes or data items ProductX 1 Bellaire 5 ProductY 2 Sugarland 5

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1.07k views • 88 slides
The Relational Algebra and Calculus

The Relational Algebra and Calculus

The Relational Algebra and Calculus. Chapter Outline. Example Database Application (COMPANY) Relational Algebra Unary Relational Operations Relational Algebra Operations From Set Theory Binary Relational Operations Additional Relational Operations Examples of Queries in Relational Algebra.

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401 views • 39 slides
Chapter 6 The Relational Data Model and the Relational Algebra

Chapter 6 The Relational Data Model and the Relational Algebra

Chapter 6 The Relational Data Model and the Relational Algebra. 6.1. The Relational Data Model Concepts. The relational model of data is based on the concept of a relation A relation is a mathematical concept based on the ideas of sets

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466 views • 35 slides
The Relational Algebra

The Relational Algebra

The Relational Algebra. CONTENTS. 1 RELATIONAL ALGEBRA 2 UNARY RELATIONAL OPERATIONS * SELECT OPERATION * PROJECT OPERATION * RENAME OPERATION. Relational Algebra.

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196 views • 13 slides

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