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Temporal Data & the Relational Model
by C.J. Date, Nikos LorentzosView All Available Formats & Editions
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
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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.
Product Details
- ISBN-13:
- 9781558608559
- Publisher:
- Elsevier Science
- Publication date:
- 12/03/2002
- Series:
- Morgan Kaufmann Series in Data Management Systems Series
- Edition description:
- 1ST
- Pages:
- 422
- Product dimensions:
- 0.90(w) x 9.69(h) x 7.44(d)
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