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The Database Relational Model: A Retrospective Review and Analysis / Edition 1

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The Database Relational Model: A Retrospective Review and Analysis is a retrospective of E.F. Codd's original ideas in which C.J. Date revisits the original papers, highlights their critical contributions to the basis of relational database management systems, and discusses the current day applications of these ideas. Codd's relational model, first presented to the world in a series of research papers from 1969 to 1979, was at the time revolutionary. More than 30 years later, however, it seems that the database community in general has come to regard the relational model as somewhat passe and no longer relevant, even though the entire database industry is founded on that model. Two factors that might explain this are that several of Codd's original papers have since become hard to find, and some of his writings were somewhat difficult to read and understand. This book aims to clearly evaluate Codd's original ideas and relate them to today's database society.

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Editorial Reviews

A consultant specializing in relational databases, Date reviews the relational model that E. F. Codd loosed on the world in a series of paper from 1969 to 1979. He says that though the concept was revolutionary at the time and has changed databases entirely, many in the community seem to consider it pass<'e> and no longer relevant. Among other things, he clarifies some of the obscurity of the original papers. Annotation c. Book News, Inc., Portland, OR (
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Product Details

  • ISBN-13: 9780201612943
  • Publisher: Addison-Wesley
  • Publication date: 5/28/2000
  • Edition description: New Edition
  • Edition number: 1
  • Pages: 128
  • Product dimensions: 5.43 (w) x 8.18 (h) x 0.39 (d)

Meet the Author

C.J. Date is an author, lecturer, researcher, and independent consultant specializing in relational database systems. An active member of the database community for almost 30 years, C. J. Date devotes the major part of his career to exploring, expanding, and expounding the theory and practice of relational technology. He enjoys a reputation second to none for his ability to explain complex technical material in a clear and understandable fashion.

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Table of Contents

1: The Birth of the Relational Model, Part 1..... 1
2: The Birth of the Relational Model, Part 2..... 13
3: The Birth of the Relational Model, Part 3..... 27
4: Codd's Relational Algebra..... 39
5: Codd's Relational Calculus..... 51
6: Data Sublanguage ALPHA, Part 1..... 65
7: Data Sublanguage ALPHA, Part 2..... 75
8: The First Three Normal Forms, Part 1..... 85
9: The First Three Normal Forms, Part 2..... 97
10: Relational Really Is Different..... 105
11: Extending the Relational Model..... 119
12: Relational Forever!..... 131
A: A Definition of the Relational Model..... 141
B: References and Bibliography..... 143
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