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A FUNDAMENTAL CLASSIFICATION OF ASSOCIATIONS IN RELATIONAL DATABASES

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Author
Bradley, J.
Accessioned
2008-02-27T22:58:18Z
Available
2008-02-27T22:58:18Z
Computerscience
1999-05-27
Issued
1985-06-01
Subject
Computer Science
Type
unknown
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Abstract
A fundamental classification is proposed for the associations that can occur beteween any two relations in a relational data base. Associations are first classified into primitive and composite associations. Essentially an association between relations A and B is primitive if both A and B contain attributes drawn on a common domain. A composite association can be decomposed into a chain of primitive associations. The most important primitive associations are the functional, multivalued and equivalence associations. The most important composite associations are the cascade, matrix, and cascade equivalence associations. Most primitive and composite associations have cyclic versions.
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We are currently acquiring citations for the work deposited into this collection. We recognize the distribution rights of this item may have been assigned to another entity, other than the author(s) of the work.If you can provide the citation for this work or you think you own the distribution rights to this work please contact the Institutional Repository Administrator at digitize@ucalgary.ca
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University of Calgary
Faculty
Science
Doi
http://dx.doi.org/10.11575/PRISM/30407
Uri
http://hdl.handle.net/1880/46283
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