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The Design of ¬1NF Relational Databases into Nested Normal Form.

Mark A. Roth, Henry F. Korth: The Design of ¬1NF Relational Databases into Nested Normal Form. SIGMOD Conference 1987: 143-159
@inproceedings{DBLP:conf/sigmod/RothK87,
  author    = {Mark A. Roth and
               Henry F. Korth},
  editor    = {Umeshwar Dayal and
               Irving L. Traiger},
  title     = {The Design of 1NF Relational Databases into Nested Normal
               Form},
  booktitle = {Proceedings of the Association for Computing Machinery Special
               Interest Group on Management of Data 1987 Annual Conference,
               San Francisco, California, May 27-29, 1987},
  publisher = {ACM Press},
  year      = {1987},
  pages     = {143-159},
  ee        = {http://doi.acm.org/10.1145/38713.38733, db/conf/sigmod/RothK87.html},
  crossref  = {DBLP:conf/sigmod/87},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

We develop new algorithms for the design of non first normal form relational databases that are in nested normal form. Previously, a set of given multivalued dependencies and those multivalued dependencies implied by given functional dependencies were used to obtain a nested normal form decomposition of a scheme. This method ignored the semantic distinction between functional and multivalued dependencies and utilized only full multivalued dependencies in the design process. We propose new algorithms which take advantage of this distinction, and use embedded multivalued dependencies to enhance the decomposition. This results in further elimination of redundancy due to functional dependencies in nested normal form designs.

Copyright © 1987 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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Umeshwar Dayal, Irving L. Traiger (Eds.): Proceedings of the Association for Computing Machinery Special Interest Group on Management of Data 1987 Annual Conference, San Francisco, California, May 27-29, 1987. ACM Press 1987 BibTeX , SIGMOD Record 16(3)
Contents

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Referenced by

  1. Sin Yeung Lee, Mong-Li Lee, Tok Wang Ling, Leonid A. Kalinichenko: Designing Good Semi-Structured Databases and Conceptual Modeling. ER 1999: 131-145
  2. Zahir Tari, John Stokes, Stefano Spaccapietra: Object Normal Forms and Dependency Constraints for Object-Oriented Schemata. ACM Trans. Database Syst. 22(4): 513-569(1997)
  3. Wai Yin Mok, Yiu-Kai Ng, David W. Embley: A Normal Form for Precisely Characterizing Redundancy in Nested Relations. ACM Trans. Database Syst. 21(1): 77-106(1996)
  4. Abdullah Uz Tansel, Lucy Garnett: Nested Historical Relations. SIGMOD Conference 1989: 284-294
  5. Jürgen Diet, Frederick H. Lochovsky: Interactive Specification and Integration of User Views Using Forms. ER 1989: 171-185
  6. Mark A. Roth, Henry F. Korth, Abraham Silberschatz: Extended Algebra and Calculus for Nested Relational Databases. ACM Trans. Database Syst. 13(4): 389-417(1988)
BibTeX
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