Decomposition of Relations and Synthesis of Entity-Relationship Diagrams.
Michel A. Melkanoff, Carlo Zaniolo:
Decomposition of Relations and Synthesis of Entity-Relationship Diagrams.
ER 1979: 277-294@inproceedings{DBLP:conf/er/MelkanoffZ79,
author = {Michel A. Melkanoff and
Carlo Zaniolo},
editor = {Peter P. Chen},
title = {Decomposition of Relations and Synthesis of Entity-Relationship
Diagrams},
booktitle = {Entity-Relationship Approach to Systems Analysis and Design.
Proc. 1st International Conference on the Entity-Relationship
Approach},
publisher = {North-Holland},
year = {1979},
isbn = {0-444-85487-8},
pages = {277-294},
ee = {db/conf/er/MelkanoffZ79.html},
crossref = {DBLP:conf/er/79},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Abstract
The purpose of this paper is three-fold:
- to present a new decomposition algorithm to decompose a relation according to its functional and multivalued dependencies into well-defined primitives (atomic relations and functional dependencies) which preserve the original information,
- to describe the atomic relations and their functional dependencies through labelled graphs called Combined A-Z graphs which exhibit all the information in a succint a convenient diagram,
- to indicate how the combined A-Z graphs may be transformed into Chen's Entity-Relationship diagrams.
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Copyright © Mon Mar 15 03:36:07 2010
by Michael Ley (ley@uni-trier.de)