A Unified Approach to Functional Dependencies and Relations.

Philip A. Bernstein, J. Richard Swenson, Dennis Tsichritzis: A Unified Approach to Functional Dependencies and Relations. SIGMOD Conference 1975: 237-245

@inproceedings{DBLP:conf/sigmod/BernsteinST75,
  author    = {Philip A. Bernstein and
               J. Richard Swenson and
               Dennis Tsichritzis},
  editor    = {W. Frank King},
  title     = {A Unified Approach to Functional Dependencies and Relations},
  booktitle = {Proceedings of the 1975 ACM SIGMOD International Conference on
               Management of Data, San Jose, California, May 14-16, 1975},
  publisher = {ACM},
  year      = {1975},
  pages     = {237-245},
  ee        = {http://doi.acm.org/10.1145/500080.500112, db/conf/sigmod/BernsteinST75.html},
  crossref  = {DBLP:conf/sigmod/75},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

BibTeX

Abstract

In Codd's relational model, the relation name groups together a family of functional dependencies over a set of attributes. For integrity and for maintenance purposes it is important to eliminate inherent redundancy within a relation due to the repetition of instances of a functional connection between attributes. This led Codd to propose a series of three normalizations. The manipulation of normal forms is governed by functional dependencies that are explicitly declared to exist within the relation. Since functional dependencies completely govern the decomposition rules of normalization , perhaps it is more sensible to take them as the elementary notions to be later synthesized into more complex structures, such as relations. Our goals, then are twofold. First, we will discuss how the use of functional dependencies lends itself to a rigorous and correct, yet clear and simple description of complex data relationships. Second, we will outline some new computational techniques to map functional dependencies into normal form relations algorithmically, thus allowing us to use the dependencies as a basic unit on the implementation as well as conceptual level.

Copyright © 1975 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.

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BibTeX

Printed Edition

W. Frank King (Ed.): Proceedings of the 1975 ACM SIGMOD International Conference on Management of Data, San Jose, California, May 14-16, 1975. ACM 1975 BibTeX
Contents

References

[1]: William Ward Armstrong: Dependency Structures of Data Base Relationships. IFIP Congress 1974: 580-583 BibTeX
[2]: ...
[3]: E. F. Codd: A Relational Model of Data for Large Shared Data Banks. Commun. ACM 13(6): 377-387(1970) BibTeX
[4]: E. F. Codd: Further Normalization of the Data Base Relational Model. IBM Research Report, San Jose, California RJ909: (1971) BibTeX
[5]: ...
[6]: ...
[7]: ...
[8]: ...
[9]: Sartaj Sahni: Some Related Problems from Network Flows, Game Theory and Integer Programming. FOCS 1972: 130-138 BibTeX
[10]: Hans Albrecht Schmid, J. Richard Swenson: On the Semantics of the Relational Data Model. SIGMOD Conference 1975: 211-223 BibTeX
[11]: ...

Referenced by

Serge Abiteboul, Richard Hull, Victor Vianu: Foundations of Databases. Addison-Wesley 1995, ISBN 0-201-53771-0
Contents
Catriel Beeri, Philip A. Bernstein: Computational Problems Related to the Design of Normal Form Relational Schemas. ACM Trans. Database Syst. 4(1): 30-59(1979)
Douglas Stott Parker Jr., Claude Delobel: Algorithmic Applications for a new Result on Multivalued Dependencies. VLDB 1979: 67-74
André Flory, Jacques Kouloumdjian: A Model and a Method for Logical Data Base Design. VLDB 1978: 333-341
Catriel Beeri, Philip A. Bernstein, Nathan Goodman: A Sophisticate's Introduction to Database Normalization Theory. VLDB 1978: 113-124
Michael Hammer, Dennis McLeod: The Semantic Data Model: A Modelling Mechanism for Data Base Applications. SIGMOD Conference 1978: 26-36
Ronald Fagin: Multivalued Dependencies and a New Normal Form for Relational Databases. ACM Trans. Database Syst. 2(3): 262-278(1977)
Ronald Fagin: The Decomposition Versus Synthetic Approach to Relational Database Design. VLDB 1977: 441-446
Philip A. Bernstein: Synthesizing Third Normal Form Relations from Functional Dependencies. ACM Trans. Database Syst. 1(4): 277-298(1976)
Donald D. Chamberlin: Relational Data-Base Management Systems. ACM Comput. Surv. 8(1): 43-66(1976)
William Kent: New Criteria for the Conceptual Model. VLDB 1976: 1-12
Dennis Tsichritzis: Features of a Conceptual Schema. VLDB 1975: 532-534
Nick Roussopoulos, John Mylopoulos: Using Semantic Networks for Database Management. VLDB 1975: 144-172
Hans Albrecht Schmid, J. Richard Swenson: On the Semantics of the Relational Data Model. SIGMOD Conference 1975: 211-223

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