Main Schema-External Schema Interaction in Hierarchically Organized Data Bases.

Alfred G. Dale, Nell B. Dale: Main Schema-External Schema Interaction in Hierarchically Organized Data Bases. SIGMOD Conference 1977: 102-110

@inproceedings{DBLP:conf/sigmod/DaleD77,
  author    = {Alfred G. Dale and
               Nell B. Dale},
  editor    = {Diane C. P. Smith},
  title     = {Main Schema-External Schema Interaction in Hierarchically Organized
               Data Bases},
  booktitle = {Proceedings of the 1977 ACM SIGMOD International Conference on
               Management of Data, Toronto, Canada, August 3-5, 1977},
  publisher = {ACM},
  year      = {1977},
  pages     = {102-110},
  ee        = {http://doi.acm.org/10.1145/509404.509419, db/conf/sigmod/DaleD77.html},
  crossref  = {DBLP:conf/sigmod/77},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

A class of external schemas derivable from a tree structured main schema is identified. It is shown that the properties of this class of schemas permit the construction of a processing interface such that predicates defined on an external schema can be evaluated in an occurrence structure disciplined by the main schema.

Copyright © 1977 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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Contents

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References

[1]: Alfred G. Dale, Nell B. Dale: Schema and Occurence Structure Transformations in Hierarchical Systems. SIGMOD Conference 1976: 157-168
[2]: ...
[3]: R. G. Parsons, Alfred G. Dale, C. V. Yurkanan: Data Manipulation Language Requirements for Database Management Systems. Comput. J. 17(2): 99-103(1974)