A Data Manipulation Model: An Extension of the Alpha Expression.

Isamu Kobayashi: A Data Manipulation Model: An Extension of the Alpha Expression. VLDB 1984: 57-62

@inproceedings{DBLP:conf/vldb/Kobayashi84,
  author    = {Isamu Kobayashi},
  editor    = {Umeshwar Dayal and
               Gunter Schlageter and
               Lim Huat Seng},
  title     = {A Data Manipulation Model: An Extension of the Alpha Expression},
  booktitle = {Tenth International Conference on Very Large Data Bases, August
               27-31, 1984, Singapore, Proceedings},
  publisher = {Morgan Kaufmann},
  year      = {1984},
  isbn      = {0-934613-16-8},
  pages     = {57-62},
  ee        = {db/conf/vldb/Kobayashi84.html},
  crossref  = {DBLP:conf/vldb/84},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

Two major abstract data manipulation models, the relational calculus and relational algebra, were proposed in relation to Relational Model. However, these are known to be not powerful enough for dealing with advanced applications that require various complicated operations in various value sets. Also it is known that these are not suitable for describing traditional data processing applications. In this paper two extensions of the alpha expression, a pair of a relational calculus and a target list, are proposed. One is a extension that enables us to use various operators (including aggregate operators) in various value set in defining the relational calculus and target list. The second extension is introduction of imaginary tuples that enables us easy description and effective implementation of traditional data processing applications.

Copyright © 1984 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.

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Umeshwar Dayal, Gunter Schlageter, Lim Huat Seng (Eds.): Tenth International Conference on Very Large Data Bases, August 27-31, 1984, Singapore, Proceedings. Morgan Kaufmann 1984, ISBN 0-934613-16-8
Contents

References

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