Multidatabase services: issues and architectural design

  • Authors:
  • Neil Coburn;Per-Åke Larson

  • Affiliations:
  • University of Waterloo, Waterloo, Ontario, Canada;University of Waterloo, Waterloo, Ontario, Canada

  • Venue:
  • CASCON '92 Proceedings of the 1992 conference of the Centre for Advanced Studies on Collaborative research - Volume 2
  • Year:
  • 1992

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Abstract

It is common for (distributed) applications to require access to multiple databases and other data sources. Such access can be facilitated by the use of a multidatabase system. A multidatabase eases the burden on the application programmer by providing a layer of integrating and coordinating services that acts as a front-end to each component database system. Ideally, the user is presented with a single, uniform view of the (virtual) multidatabase and is unaware of the autonomy, heterogeneity, and distribution of the underlying databases.This paper discusses the problems that arise in providing multidatabase services and presents a high-level architectural design for a multidatabase system. It also surveys some existing systems.