The Structure of the Relational Database Model

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The book presents an overview of the most fundamental aspects of the theory that underlies the Relational Database
Model. It provides exact definitions of widely accepted concepts, and also covers some recent research topics,
making the book very suitable in classes on database theory.
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Former Library book. Shows some signs of wear, and may have some markings on the inside. 100% Money Back Guarantee. Shipped to over one million happy customers. Your purchase ... benefits world literacy! Read more Show Less

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1989 Hardcover Very good Ex UC Berkeley library book with usual library markings. Binding is tight, text clean. From the back cover: This book focusses on the theoretical ... background necessary for understanding relational databases. Read more Show Less

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More About This Book

Overview

The book presents an overview of the most fundamental aspects of the theory that underlies the Relational Database
Model. It provides exact definitions of widely accepted concepts, and also covers some recent research topics,
making the book very suitable in classes on database theory.
Read More Show Less

Product Details

  • ISBN-13: 9783540137146
  • Publisher: Springer-Verlag New York, LLC
  • Publication date: 5/28/1989
  • Pages: 231

Table of Contents

1 Relational Database Model.- 1.1 Relation Schemes.- 1.2 Relation Instances.- 1.3 Database Schemes and Database Instances.- 1.4 Dynamic Schemes and Evolutions.- 1.5 Classification of Constraints.- 1.6 Example.- 1.7 Exercises.- 2 Query Systems.- 2.1 The Relational Algebra.- 2.1.1 Informal Description.- 2.1.2 Syntax of the Relational Algebra.- 2.1.3 Generating Part of the Relational Algebra.- 2.1.4 Views Represented by the Relational Algebra.- 2.1.5 Expressive Power of the Generating Part.- 2.2 The Tuple Calculus.- 2.2.1 Informal Description.- 2.2.2 Syntax of the Tuple Calculus.- 2.2.3 Generating Part of the Tuple Calculus.- 2.2.4 Views Represented by the Tuple Calculus.- 2.2.5 Expressive Power of the Generating Part.- 2.3 SQL: Structured Query Language.- 2.3.1 Informal Description.- 2.3.2 Syntax of SQL.- 2.3.3 Generating Part of SQL.- 2.3.4 Views Represented by SQL.- 2.3.5 Expressive Power of the Generating Part.- 2.4 Reduction of the Tuple Calculus to the Algebra.- 2.4.1 Method.- 2.4.2 Example.- 2.5 Reduction of the Algebra to SQL.- 2.5.1 Method.- 2.5.2 Example.- 2.6 Reduction of SQL to the Tuple Calculus.- 2.6.1 Method.- 2.6.2 Example.- 2.7 Exercises.- 3 Constraints.- 3.1 Some Terminology.- 3.2 Functional Dependencies.- 3.3 Multivalued Dependencies.- 3.4 Join Dependencies.- 3.5 Inclusion Dependencies.- 3.6 Tuple and Equality Generating Dependencies.- 3.7 Exercises.- 4 Vertical Decompositions.- 4.1 First Normal Form.- 4.2 Second and Third Normal Form.- 4.3 Boyce-Codd Normal Form.- 4.4 Constraint Preserving Normalization.- 4.5 Fourth and Fifth Normal Form.- 4.6 Vertical Decomposition and Consistency Checking.- 4.7 Exercises.- 5 Horizontal Decompositions.- 5.1 Horizontal Decompositions.- 5.2 The Membership and Inference Problem for Fds and Ads.- 5.3 The Inheritance of Dependencies.- 5.4 Normal Forms for Horizontal Decompositions.- 5.5 Exercises.- 6 Incomplete Information.- 6.1 Representation Systems for Existing-but-Unknown Nulls.- 6.2 Updating Relations with Existing-but-Unknown Nulls.- 6.3 Constraints in Incomplete Databases.- 6.4 Relations with No-Information Nulls.- 6.5 The Weak Instance Model.- 6.6 Exercises.- 7 The Nested Relational Database Model.- 7.1 Nested Relation Schemes and Instances.- 7.2 The Nested Relational Algebra.- 7.3 Constraints.- 7.4 The Expressiveness of the Nested Relational Algebra.- 7.5 Hierarchical Instances.- 7.6 Exercises.- 8 Updates.- 8.1 Transactions.- 8.2 Equivalent Transactions.- 8.3 Dynamic Relation Constraints.- 8.4 Axiomatization of Equivalence of Transactions.- 8.5 Exercises.
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