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Cybernetics

, Volume 26, Issue 5, pp 641–653 | Cite as

Structure of closures in relational schemas with join and functional dependencies

  • J. Demetrovics
  • Nguyen Xuan Huy
Article
  • 23 Downloads

Abstract

Translations of relational schemas are extended to the set of functional and join dependencies. A basic theorem on the representation of the closure of an attribute subset is proved.

Keywords

Operating System Artificial Intelligence System Theory Functional Dependency Relational Schema 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1991

Authors and Affiliations

  • J. Demetrovics
  • Nguyen Xuan Huy

There are no affiliations available

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