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Toward Propagating the Evolution of Data Warehouse on Data Marts

  • Saïd Taktak
  • Jamel Feki
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7602)

Abstract

Modern Decision Support Systems (DSS) are composed of a Data Warehouse (DW) which stores all data necessary for decisional purposes, and a several Data Marts (DMs). A DM is a subject oriented extract of the DW data; it facilitates evaluating the performances of a business process. However, in practice, business processes may evolve as well as new ones may be created, consequently the DW model evolves in order to capture the changes. The maintenance of DMs due to the evolution of their DW is time-consuming, expensive and error-prone process. This paper studies the evolution of DM schemas in the case of a new table is added to the DW.

Keywords

Evolution operation Data warehouse Data mart 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Saïd Taktak
    • 1
  • Jamel Feki
    • 1
  1. 1.Miracl LaboratoryUniversity of Sfax, FSEGS FacultySfaxTunisia

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