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Database design and relational theory: normal forms and all that jazz 2nd ed. edition,...

799 грн

Описание

Create database designs that scale, meet business requirements, and inherently
work toward keeping your data structured and usable in the face of changing
business models and software systems.

This book is about database design theory. Design theory is the scientific
foundation for database design, just as the relational model is the scientific
foundation for database technology in general. Databases lie at the heart of
so much of what we do in the computing world that negative impacts of poor
design can be extraordinarily widespread.

This second edition includes greatly expanded coverage of exotic and little
understood normal forms such as: essential tuple normal form (ETNF),
redundancy free normal form (RFNF), superkey normal form (SKNF), sixth normal
form (6NF), and domain key normal form (DKNF). Also included are new
appendixes, including one that provides an in-depth look into the crucial
notion of data consistency. Sequencing of topics has been improved, and many
explanations and examples have been rewritten and clarified based upon the
author’s teaching of the content in instructor-led courses.

This book aims to be different from other books on design by bridging the gap
between the theory of design and the practice of design. The book explains
theory in a way that practitioners should be able to understand, and it
explains why that theory is of considerable practical importance. Reading this
book provides you with an important theoretical grounding on which to do the
practical work of database design. Reading the book also helps you in going to
and understanding the more academic texts as you build your base of knowledge
and expertise. Anyone with a professional interest in database design can
benefit from using this book as a stepping-stone toward a more rigorous design
approach and more lasting database models.

What You Will Learn

Understand what design theory is and is not

Be aware of the two different goals of normalization

Know which normal forms are truly significant

Apply design theory in practice

Be familiar with techniques for dealing with redundancy

Understand what consistency is and why it is crucially important

Who This Book Is For

Those having a professional interest in database design, including data and
database administrators; educators and students specializing in database
matters; information modelers and database designers; DBMS designers,
implementers, and other database vendor personnel; and database consultants.
The book is product independent.

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