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A Universal Relation Database System Implemented via the Network Model.

Sharon McCure Kuck, Yehoshua Sagiv: A Universal Relation Database System Implemented via the Network Model. PODS 1982: 147-157
@inproceedings{DBLP:conf/pods/KuckS82,
  author    = {Sharon McCure Kuck and
               Yehoshua Sagiv},
  editor    = {Jeffrey D. Ullman and
               Alfred V. Aho},
  title     = {A Universal Relation Database System Implemented via the Network
               Model},
  booktitle = {Proceedings of the ACM Symposium on Principles of Database Systems,
               March 29-31, 1982, Los Angeles, California, USA},
  publisher = {ACM},
  year      = {1982},
  isbn      = {0-89791-070-2},
  pages     = {147-157},
  ee        = {http://doi.acm.org/10.1145/588111.588135, db/conf/pods/KuckS82.html},
  crossref  = {DBLP:conf/pods/82},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

We describe a network schema design algorithm that uses a well-designed relational schema as input. The resulting network database handles incomplete information, since we use only the modified foreign-key constraint and not the universal instance assumption. We believe that the representative instance is a correct representation of information stored in the database. We show how to map the representative instance to the network database. We give two algorithms for translating a relational query to a network application program. The first algorithm is confined to relational queries that express selections and projections over the universal relation scheme. The second algorithm includes all relational queries over select, project and (natural) join. Optimization techniques are discussed for both types of translation.

Copyright © 1982 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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Printed Edition

Jeffrey D. Ullman, Alfred V. Aho (Eds.): Proceedings of the ACM Symposium on Principles of Database Systems, March 29-31, 1982, Los Angeles, California, USA. ACM 1982, ISBN 0-89791-070-2
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Online Edition: ACM Digital Library


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