Materialized views and data warehouses

  • Authors:
  • Nick Roussopoulos

  • Affiliations:
  • Department of Computer Science and Institute of Advanced Computer Studies, University of Maryland

  • Venue:
  • ACM SIGMOD Record
  • Year:
  • 1998

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Abstract

A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational views are used both as a specification technique and as an execution plan for the derivation of the warehouse data. In this position paper, we summarize the versatility of relational views and their potential.