Object orientation in multidatabase systems

  • Authors:
  • Evaggelia Pitoura;Omran Bukhres;Ahmed Elmagarmid

  • Affiliations:
  • Purdue Univ., West Lafayette, IN;Purdue Univ., West Lafayette, IN;Purdue Univ., West Lafayette, IN

  • Venue:
  • ACM Computing Surveys (CSUR)
  • Year:
  • 1995

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Abstract

A multidatabase system (MDBS) is a confederation of preexisting distributed, heterogeneous, and autonomous database systems. There has been a recent proliferation of research suggesting the application of object-oriented techniques to facilitate the complex task of designing and implementing MDBSs. Although this approach seems promising, the lack of a general framework impedes any further development. The goal of this paper is to provide a concrete analysis and categorization of the various ways in which object orientation has affected the task of designing and implementing MDBSs.We identify three dimensions in which the object-oriented paradigm has influenced this task: the general system architecture, the schema architecture, and the heterogeneous transaction management. Then we provide a classification and a comprehensive analysis of the issues related to each of the above dimensions. To demonstrate the applicability of this analysis, we conclude with a comparative review of existing multidatabase systems.