Andyblg's Blog

November 30, 2009

If fact have no measures

Filed under: OLAP — andyblg @ 12:05
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A fact is a focus of interest for the decision-making process. Typically, it models a set of events occurring in the enterprise world.

A measure is a numerical property of a fact, and describes one of its quantitative aspects of interests for analysis.

A fact may also have no measures, if the only interesting thing to be recorded is the occurrence of events. In this case the fact scheme is said to be empty and is typically queried to count the events that occurred.

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