Temporal data and the relational model : a detailed investigation into the application of interval and relation theory to the problem of temporal database management /

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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 v...

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Bibliographic Details
Call Number:Libro Electrónico
Main Author: Date, C. J.
Other Authors: Darwen, Hugh, Lorentzos, Nikos A.
Format: Electronic eBook
Language:Inglés
Published: San Diego, CA : Morgan Kaufmann Publishers, �2003.
Edition:1st ed.
Subjects:
Database management.
Relational databases.
Temporal databases.
Database Management Systems
Bases de donn�ees > Gestion.
Bases de donn�ees spatio-temporelles.
Bases de donn�ees relationnelles.
Online Access:Texto completo
Table of Contents:
  • 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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