Extending Classical Functional Dependencies For Physical Database Design

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Extending Classical Functional Dependencies For Physical Database Design

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Author : National University of Singapore. Dept. of Information Systems and Computer Science
language : en
Publisher:
Release Date : 1994

Extending Classical Functional Dependencies For Physical Database Design written by National University of Singapore. Dept. of Information Systems and Computer Science and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Database design categories.

Abstract: "Traditionally, database design activities are partitioned into disctinct phases in which a logical design phase precedes physical database design. The objective of the logical design step is to eliminate redundancies and updating anomalies using the notion of data dependencies, while leaving the physical design step to consider how the database schema may be restructured to provide more efficient access. We argue in this paper that the separation of these two steps often result in physical database design not being able to benefit from knowledge of the semantics of data captured in the earlier phases of the database design life cycle. As a step towards overcoming the problem, we demonstrate how classical functional dependencies can be extended to capture data semantics relevant to the design of database schemas which are more desirable from the efficiency point of view. This is accomplished via the introduction of strong and weak functional dependencies, as well as three new formal forms -- the relaxed 3NF, replicated 3NF and relax-replicated 3NF -- induced by the extended functional dependencies. These new normal forms provide a framework for designing database schemas which are more efficient, while not compromising the integrity of the underlying database."

Semistructured Database Design

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Author : Tok Wang Ling
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-30

Semistructured Database Design written by Tok Wang Ling and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-30 with Computers categories.

Semistructured Database Design provides an essential reference for anyone interested in the effective management of semsistructured data. Since many new and advanced web applications consume a huge amount of such data, there is a growing need to properly design efficient databases. This volume responds to that need by describing a semantically rich data model for semistructured data, called Object-Relationship-Attribute model for Semistructured data (ORA-SS). Focusing on this new model, the book discusses problems and presents solutions for a number of topics, including schema extraction, the design of non-redundant storage organizations for semistructured data, and physical semistructured database design, among others. Semistructured Database Design presents researchers and professionals with the most complete and up-to-date research in this fast-growing field.

Information Systems And Technologies For Network Society Proceedings Of The Ipsj International Symposium

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Author : Yahiko Kambayashi
language : en
Publisher: World Scientific
Release Date : 1997-09-09

Information Systems And Technologies For Network Society Proceedings Of The Ipsj International Symposium written by Yahiko Kambayashi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-09-09 with categories.

This volume contains technical papers and panel position papers selected from the proceedings of the International Symposium on Information Systems and Technologies for Network Society, held together with the IPSJ (information processing society of Japan) National Convention, in September 1997. Papers were submitted from all over the world, especially from Japan, Korea and China. Since these countries are believed to form one of the major computer manufacturing centers in the world, a panel on “Computer Science Education for the 21st Century” was set up. A special session on the Japanese project on Software Engineering invited representative researchers from the project, which is supported by the Ministry of Education, Japan.

Computer Control Abstracts

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Author :
language : en
Publisher:
Release Date : 1996

Computer Control Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Automatic control categories.

Proceedings Of The International Conference On Information And Knowledge Management

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Author :
language : en
Publisher:
Release Date : 2004

Proceedings Of The International Conference On Information And Knowledge Management written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Database management categories.

Cikm 2004

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Author : David A. Evans
language : en
Publisher:
Release Date : 2004

Cikm 2004 written by David A. Evans and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Computer science categories.

Advances In Database Technology

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Author :
language : en
Publisher:
Release Date : 2002

Advances In Database Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Database management categories.

Applied Science Technology Index

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Author :
language : en
Publisher:
Release Date : 1996

Applied Science Technology Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Engineering categories.

Library Information Science Abstracts

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Author :
language : en
Publisher:
Release Date : 1999

Library Information Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Information science categories.

Intelligent Databases Technologies And Applications

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Author : Ma, Zongmin
language : en
Publisher: IGI Global
Release Date : 2006-09-30

Intelligent Databases Technologies And Applications written by Ma, Zongmin and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-30 with Computers categories.

"This book integrates data management in databases with intelligent data processing and analysis in artificial intelligence. It challenges today's database technology and promotes its evolution"--Provided by publisher.