Temporal Data & the Relational Model (The Morgan Kaufmann Series in Data Management Systems)

Date, C.J.; Darwen, Hugh; Lorentzos, Nikos

ISBN 10: 1558608559 / ISBN 13: 9781558608559

Editore: Morgan Kaufmann, 2002

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Titolo: Temporal Data & the Relational Model (The ...

Casa editrice: Morgan Kaufmann

Data di pubblicazione: 2002

Legatura: Brossura

Condizione: acceptable

Descrizione articolo

Riassunto:

Temporal database systems are systems that provide special support for storing, querying, and updating historical and/or future data. Current DBMSs provide essentially no temporal features at all, but this situation is likely to change soon for a variety of reasons; in fact, temporal databases are virtually certain to become important sooner rather than later, in the commercial world as well as in academia. This book provides an in-depth description of the foundations and principles on which those temporal DBMSs will be built. These foundations and principles are firmly rooted in the relational model of data; thus, they represent an evolutionary step, not a revolutionary one, and they will stand the test of time.

This book is arranged in three parts and a set of appendixes:

* Preliminaries: Provides a detailed review of the relational model, and an overview of the Tutorial D language.
* Laying the Foundations: Explains basic temporal data problems and introduces fundamental constructs and operators for addressing those problems.
* Building on the Foundations: Applies the material of the previous part to issues of temporal database design, temporal constraints, temporal query and update, and much more.
* Appendixes: Include annotated references and bibliography, implementation considerations, and other topics.

Key features:

* Describes a truly relational approach to the temporal data problem.
* Addresses implementation as well as model issues.
* Covers recent research on new database design techniques, a new normal form, new relational operators, new update operators, a new approach to the problem of "granularity," support for "cyclic point types," and other matters.
* Includes review questions and exercises in every chapter.
* Suitable for both reference and tutorial purposes.

L'autore:

C. J. Date has a unique stature in the database industry. Author or coauthor of well over 30 books on database management (including the bestselling An Introduction to Database Systems, currently in its 8th edition), he enjoys a reputation that’s second to none for his ability to explain complex technical issues in a clear and understandable fashion. He was inducted into the Computing Industry Hall of Fame in 2004.