OLAP Databases and Aggregation Functions

  • Authors:
  • Hans-J. Lenz;Bernhard Thalheim

  • Affiliations:
  • -;-

  • Venue:
  • SSDBM '01 Proceedings of the 13th International Conference on Scientific and Statistical Database Management
  • Year:
  • 2001

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Abstract

Abstract: Aggregation functions are a class of generic functions which must be usable in any database application. We characterize in which case the aggregation functions can be correctly applied on macrodata (data cube) which are computed on the microdata.