Schema Repository for Database Schema Evolution

  • Authors:
  • Hassina Bounif;Rachel Pottinger

  • Affiliations:
  • EPFL, Swiss Federal Institute of Technology, Switzerland;University of British Columbia, Canada

  • Venue:
  • DEXA '06 Proceedings of the 17th International Conference on Database and Expert Systems Applications
  • Year:
  • 2006

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Abstract

The paper presents a schema repository, an original repository containing different kinds of database schemas. The repository is part of a multidisciplinary approach for schema evolution called the predictive approach for database evolution. The schema repository has a dual role in the approach: (1) during the datamining process, the repository identifies and analyzes trends on collected schemas belonging to the same domain. (2) the repository is used in the building of the requirements ontology - a domain ontology that contributes in the database design and its evolution. This paper presents both the design and a heuristic-based method to populate such a repository.