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SQL and relational theory how to write accurate SQL code 3rd Edition by Date ISBN‎ 1491941170 ‎ 978-1491941171

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SQL and relational theory how to write accurate SQL code 3ed. Edition Date Digital Instant Download

Author(s): Date, C. J
ISBN(s): 9781491941171, 1491941170
Edition: 3ed.
File Details: PDF, 6.30 MB
Year: 2015
Language: english
SKU: EB-5428894 Category: Tags: ,

SQL and relational theory how to write accurate SQL code 3rd Edition by Date – Ebook PDF Instant Download/Delivery:‎ 1491941170 ‎, 978-1491941171
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Product details:

ISBN 10:‎ 1491941170
ISBN 13: ‎ 978-1491941171
Author: Date

SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put that theory into practice. In this book, Chris Date explains relational theory in depth, and demonstrates through numerous examples and exercises how you can apply it to your use of SQL.

This third edition has been revised, extended, and improved throughout. Topics whose treatment has been expanded include data types and domains, table comparisons, image relations, aggregate operators and summarization, view updating, and subqueries. A special feature of this edition is a new appendix on NoSQL and relational theory.

  • Could you write an SQL query to find employees who have worked at least once in every programming department in the company? And be sure it’s correct?
  • Why is proper column naming so important?
  • Nulls in the database cause wrong answers. Why? What you can do about it?
  • How can image relations help you formulate complex SQL queries?
  • SQL supports “quantified comparisons,” but they’re better avoided. Why? And how?

Database theory and practice have evolved considerably since Codd first defined the relational model, back in 1969. This book draws on decades of experience to present the most up to date treatment of the material available anywhere. Anyone with a modest to advanced background in SQL can benefit from the insights it contains. The book is product independent.

SQL and relational theory how to write accurate SQL code 3rd Table of contents:

  1. Chapter 1. Setting the Scene
  2. Chapter 2. Types and Domains
  3. Chapter 3. Tuples and Relations, Rows and Tables
  4. Chapter 4. No Duplicates, No Nulls
  5. Chapter 5. Base Relvars, Base Tables
  6. Chapter 6. SQL and Relational Alegebra I: The Original Operators
  7. Chapter 7. SQL and Relational Algebra II: Additional Operators
  8. Chapter 8. SQL and Constraints
  9. Chapter 9. SQL and Views
  10. Chapter 10. SQL and Logic
  11. Chapter 11. Using Logic to Formulate SQL Expressions
  12. Chapter 12. Miscellaneous SQL Topics
  13. Appendix A. The Relational Model
  14. Appendix B. SQL Departures from the Relational Model
  15. Appendix C. A Relational Approach to Missing Information
  16. Appendix D. A Tutorial D Grammar
  17. Appendix E. Summary of Recommendations
  18. Appendix F. NoSQL and Relational Theory
  19. Appendix G. Suggestions for Further Reading

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