A Survey on Data Warehouse Evolution

Details A Survey on Data Warehouse Evolution A Survey on Data Warehouse Evolution

2010-12-07

arxiv.org/abs/1012.1565v2

International Journal of Database Management Systems ( IJDMS ), Vol.2, No.4, November 2010 pages 11-24

Computer Science

Databases

14 pages

Scientific paper

The data warehouse (DW) technology was developed to integrate heterogeneous information sources for analysis purposes. Information sources are more and more autonomous and they often change their content due to perpetual transactions (data changes) and may change their structure due to continual users' requirements evolving (schema changes). Handling properly all type of changes is a must. In fact, the DW which is considered as the core component of the modern decision support systems has to be update according to different type of evolution of information sources to reflect the real world subject to analysis. The goal of this paper is to propose an overview and a comparative study between different works related to the DW evolution problem.

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