Online analytical processing (OLAP) is  the method of the analytical information systems alongside data mining. OLAP belongs to the hypothesis-supported analysis methods. The analyst must know before the research what queries he will send to the OLAP system; he must specify the dimensions and parameters to be considered in the analysis. His hypothesis is then proved or rejected by the result of the analysis.

The representation of the OLAP results is implemented in so-called Cubes which are implemented mostly in the form of dynamic and interactive tables:

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