ACM SIGMOD Anthology ACM SIGMOD dblp.uni-trier.de

Incorporating Hierarchy in a Relational Model of Data.

H. V. Jagadish: Incorporating Hierarchy in a Relational Model of Data. SIGMOD Conference 1989: 78-87
@inproceedings{DBLP:conf/sigmod/Jagadish89,
  author    = {H. V. Jagadish},
  editor    = {James Clifford and
               Bruce G. Lindsay and
               David Maier},
  title     = {Incorporating Hierarchy in a Relational Model of Data},
  booktitle = {Proceedings of the 1989 ACM SIGMOD International Conference on
               Management of Data, Portland, Oregon, May 31 - June 2, 1989},
  publisher = {ACM Press},
  year      = {1989},
  pages     = {78-87},
  ee        = {http://doi.acm.org/10.1145/67544.66934, db/conf/sigmod/Jagadish89.html},
  crossref  = {DBLP:conf/sigmod/89},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

We extend the relational model of data to allow classes as attribute values, thereby permitting the representation of hierarchies of objects. Inheritance, including multiple inheritance with exceptions, is cleanly supported. Facts regarding classes of objects can be stored and manipulated in the same way as facts regarding object instances. Our model is upwards compatible with the standard relational model.

Copyright © 1989 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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James Clifford, Bruce G. Lindsay, David Maier (Eds.): Proceedings of the 1989 ACM SIGMOD International Conference on Management of Data, Portland, Oregon, May 31 - June 2, 1989. ACM Press 1989 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML, SIGMOD Record 18(2), June 1989
Contents

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