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Database in Depth

Autor Chris J Date
en Limba Engleză Paperback – 14 iun 2005
This concise guide sheds light on the principles behind the relational model, which underlies all database products in wide use today. It goes beyond the hype to give you a clear view of the technology -- a view that's not influenced by any vendor or product. Suitable for experienced database developers and designers.
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Specificații

ISBN-13: 9780596100124
ISBN-10: 0596100124
Pagini: 230
Ilustrații: 1, black & white illustrations
Dimensiuni: 179 x 233 x 20 mm
Greutate: 0.4 kg
Editura: O'Reilly
Locul publicării:United States

Cuprins

Dedicated to the memory of E.F.Codd; Foreword; Preface; What Makes This Book Different?; Further Preliminaries; Conventions Used in This Book; Using Code Examples; Safari Enabled; Comments and Questions; Acknowledgments; Chapter One: Introduction; 1.1 A Remark on Terminology; 1.2 Principles, Not Products; 1.3 A Review of the Original Model; 1.4 Model Versus Implementation; 1.5 Properties of Relations; 1.6 Relations Versus Relvars; 1.7 Values Versus Variables; 1.8 Summary; 1.9 Exercises; Chapter Two: Relations Versus Types; 2.1 Domain-Constrained Comparisons; 2.2 Data Value Atomicity; 2.3 So What's a Type?; 2.4 Scalar Versus Nonscalar Types; 2.5 Summary; 2.6 Exercises; Chapter Three: Tuples and Relations; 3.1 What's a Tuple?; 3.2 Some Important Consequences; 3.3 What's a Relation?; 3.4 Further Important Consequences; 3.5 Why Duplicate Tuples Are Prohibited; 3.6 Why Nulls Are Prohibited; 3.7 TABLE_DUM and TABLE_DEE; 3.8 Summary; 3.9 Exercises; Chapter Four: Relation Variables; 4.1 Updating Is Set-at-a-Time; 4.2 More on Candidate Keys; 4.3 More on Foreign Keys; 4.4 More on Views; 4.5 Relvars and Predicates; 4.6 More on Relations Versus Types; 4.7 Summary; 4.8 Exercises; Chapter Five: Relational Algebra; 5.1 More on Closure; 5.2 The Original Operators; 5.3 Evaluating SQL Expressions; 5.4 Extend and Summarize; 5.5 Group and Ungroup; 5.6 Expression Transformation; 5.7 Relational Comparisons; 5.8 More on Relational Assignment; 5.9 The ORDER BY Operator; 5.10 Summary; 5.11 Exercises; Chapter Six: Integrity Constraints; 6.1 Type Constraints; 6.2 Database Constraints; 6.3 Transactions; 6.4 Why Database Constraint Checking Must Be Immediate; 6.5 But Doesn't Some Checking Have to Be Deferred?; 6.6 Constraints and Predicates; 6.7 Miscellaneous Issues; 6.8 Summary; 6.9 Exercises; Chapter Seven: Database Design Theory; 7.1 The Place of Design Theory; 7.2 Functional Dependencies and Boyce/Codd Normal Form; 7.3 Join Dependencies and Fifth Normal Form; 7.4 Two Cheers for Normalization; 7.5 Orthogonality; 7.6 Some Remarks on Physical Design; 7.7 Summary; 7.8 Exercises; Chapter Eight: What Is the Relational Model?; 8.1 The Relational Model Defined; 8.2 Objectives of the Relational Model; 8.3 Some Database Principles; 8.4 The Relational Model Versus Others; 8.5 What Remains to Be Done?; 8.6 Summary; 8.7 Exercises; Appendix A: A Little Bit of Logic; Propositions; Predicates; Quantification; Free and Bound Variables; More on Quantification; Database Constraints; Queries; Some Equivalences; Summary; Suggestions for Further Reading; Colophon;