Marianne Winslett,
Marianne (University of Illinois, Urbana-Champaign) Winslett
Updating Logical Databases
Paperback Engels 2005 9780521619721
Verwachte levertijd ongeveer 9 werkdagen
Samenvatting
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How can one construct and maintain a database of facts, capable of incorporating new information and getting rid of all outdated information, and yet in the process not disturb any other information in the database?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.
Specificaties
ISBN13:9780521619721
Taal:Engels
Bindwijze:Paperback
Aantal pagina's:224
Uitgever:Cambridge University Press
Serie:Cambridge Tracts in
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Inhoudsopgave
Acknowledgments; 1. Introduction; 2. Classes of update semantics; 3. Model-based semantics for updates; 4. Update algorithms for model-based semantics; 5. Updates with variables; 6. Lazy evolution of updates; 7. Integrity constraints; 8. Adding knowledge to relational theories; 9. Implementation; Bibliography; Index of definitions.
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