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| TEMPORAL DATA & THE RELATIONAL MODEL
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By
C.J. Date
Hugh Darwen
Nikos Lorentzos
Description
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.
Contents
Preface. Part I Preliminaries: A Review of Relational Concepts. An Overview of Tutorial D. Part II Laying the Foundation: Time and the
Database. What Is the Problem? Intervals. Opeartors on Intervals. The EXPAND and COLLAPSE Operators. The PACK and UNPACK Operators. Generalizing
the Relational Operators. Part III Building on the Foundations: Database Design. Integrity Constraints I: Candidate Keys and Related
Constraints. Integrity Constraints II: General Constraints. Database Queries. Database Updates. Stated Times and Logged Times. Point
and Interval Types Revisited. Appendixes: Implementation Considerations. Generalizing the EXPAND and COLLAPSE Operators. References and
Bibliography. Index.
| Bibliographic details |
Paperback, 422 pages, publication date: NOV-2002
ISBN-13: 978-1-55860-855-9
ISBN-10: 1-55860-855-9
Imprint: MORGAN KAUFFMAN
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USD 75.95
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Last update: 7 Sep 2009
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