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" Temporal data and the relational model : "
C.J. Date, Hugh Darwen, Nikos A. Lorentzos.
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BL
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| Record Number
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1028478
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b782848
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| Main Entry
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Date, C. J.
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| Title & Author
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Temporal data and the relational model : : a detailed investigation into the application of interval and relation theory to the problem of temporal database management /\ C.J. Date, Hugh Darwen, Nikos A. Lorentzos.
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| Edition Statement
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1st ed.
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| Publication Statement
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Amsterdam ;Boston [Mass.] :: Morgan Kaufmann Publishers,, ©2003.
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, ©2016
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| Page. NO
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1 online resource (xxii, 422 pages) :: illustrations
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| ISBN
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0080518710
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: 1558608559
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: 9780080518718
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: 9781558608559
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| Bibliographies/Indexes
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Includes bibliographical references and index.
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| Contents
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A review of relational concepts -- An overview of Tutorial D -- Time and the database -- What is the problem? -- Intervals -- Operators on intervals -- The EXPAND and COLLAPSE operators -- The PACK and UNPACK operators -- Generalizing the relational operators -- Database design -- Integrity constraints 1 : candidate keys and related constraints -- Integrity constraints 2 : general constraints -- Database queries -- Database updates -- Stated times and logged times -- Point and interval types revisited.
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| Abstract
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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.
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| Subject
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Database management.
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Relational databases.
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Bases de données relationnelles.
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Bases de données spatio-temporelles.
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Bases de données-- Gestion.
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COMPUTERS-- Data Processing.
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Database management.
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Relational databases.
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| Dewey Classification
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005.75
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| LC Classification
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QA76.9.D3D3729 2003eb
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| Added Entry
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Darwen, Hugh.
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Lorentzos, Nikos A.
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