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Independent Update Reflections on Interdependent Database Views

  • Stephen J. Hegner
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7260)

Abstract

The problem of identifying suitable view-update strategies is typically addressed in the context of a single view. However, it is often the case that several views must co-exist; the challenge is then to find strategies which allow one view to be updated without affecting the other. The classical constant-complement strategy can provide a solution to this problem; however, both the context and the admissible updates are quite limited. In this work, the updates which are possible within this classical approach are extended substantially via a technique which considers only the states which are reachable from a given initial configuration. The results furthermore do not depend upon complementation, and thus are readily extensible to settings involving more than two views.

Keywords

Equivalence Relation Relational Algebra Database Schema Single View Complementary Pair 
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

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Stephen J. Hegner
    • 1
  1. 1.Department of Computing ScienceUmeå UniversityUmeåSweden

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