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An Extended Relational Database System and It's Application to Management of Logic Diagrama.

Yosihisa Udagawa, Tetsuo Mizoguchi: An Extended Relational Database System and It's Application to Management of Logic Diagrama. VLDB 1986: 267-277
@inproceedings{DBLP:conf/vldb/UdagawaM86,
  author    = {Yosihisa Udagawa and
               Tetsuo Mizoguchi},
  editor    = {Wesley W. Chu and
               Georges Gardarin and
               Setsuo Ohsuga and
               Yahiko Kambayashi},
  title     = {An Extended Relational Database System and It's Application to
               Management of Logic Diagrama},
  booktitle = {VLDB'86 Twelfth International Conference on Very Large Data Bases,
               August 25-28, 1986, Kyoto, Japan, Proceedings},
  publisher = {Morgan Kaufmann},
  year      = {1986},
  isbn      = {0-934613-18-4},
  pages     = {267-277},
  ee        = {db/conf/vldb/UdagawaM86.html},
  crossref  = {DBLP:conf/vldb/86},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

An extended relational database and its application to VLSI data management are described. The following shortcomings mainly arise when we try to apply conventional DBMSs to management of engineering data: lack of facilities to support various data types, a design hierarchy, version control and efficient access to design data. We have extended the relational data model by supporting (1) a set of graphics functions that bridge relational data structures to graphics representations, (2) a special data type that allows a designer of the database to model the design hierarchy (including versions) explicitly. Ordinary relational databases appear to be too slow to be used on-line in a design process. Our hypothesis is that it does not come from the nature of the relational model, but rather internal access mechanisms. We have developed our system in such a way that data on a design object are stored as interrelated collections of records and are manipulated as a logical group. As a result, our system offers sufficient facilities and performance for interactive use of design data at design system level.

Copyright © 1986 by the VLDB Endowment. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by the permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment.

Online Paper

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Printed Edition

Wesley W. Chu, Georges Gardarin, Setsuo Ohsuga, Yahiko Kambayashi (Eds.): VLDB'86 Twelfth International Conference on Very Large Data Bases, August 25-28, 1986, Kyoto, Japan, Proceedings. Morgan Kaufmann 1986, ISBN 0-934613-18-4
Contents BibTeX

References

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Referenced by

  1. Yosihisa Udagawa: Implementation and Evaluation of a Browsing Algorithm for Design Applications. ICDE 1991: 70-79
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