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Updating logical databases / Marianne Winslett.

By: Material type: TextTextSeries: Cambridge tracts in theoretical computer science ; 9.Publisher: Cambridge : Cambridge University Press, 1990Description: 1 online resource (viii, 211 pages) : digital, PDF file(s)Content type:
  • text
Media type:
  • computer
Carrier type:
  • online resource
ISBN:
  • 9780511663109 (ebook)
Subject(s): Additional physical formats: Print version: : No titleDDC classification:
  • 005.74 20
LOC classification:
  • QA76.9.D3 W567 1990
Online resources: Summary: This book tackles the problems of update algorithms for databases. How can one construct and maintain a database of facts, capable of incorporating new information and getting rid of all outdated information, and yet in the process not disturb any other information in the database? The author has produced a formal method for specifying the desired change intentionally, using a 'formula-based' approach to updating needs rather than a 'model-based' technique. The complexity of the algorithms, choice of semantics and a means of enforcing integrity constraints are also discussed. The book will be of value to all involved in database research.
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Title from publisher's bibliographic system (viewed on 05 Oct 2015).

This book tackles the problems of update algorithms for databases. How can one construct and maintain a database of facts, capable of incorporating new information and getting rid of all outdated information, and yet in the process not disturb any other information in the database? The author has produced a formal method for specifying the desired change intentionally, using a 'formula-based' approach to updating needs rather than a 'model-based' technique. The complexity of the algorithms, choice of semantics and a means of enforcing integrity constraints are also discussed. The book will be of value to all involved in database research.

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