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Data that can be modeled as dimension attributes and measure attributes are called _______ data.(a) Multidimensional(b) Singledimensional(c) Measured(d) DimensionalThe question was posed to me in final exam.My question is from OLAP in chapter SQL : Queries, Constraints and Triggers of Database Management

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The correct ANSWER is (a) Multidimensional

Easy explanation - Given a RELATION used for data analysis, we can IDENTIFY some of its attributes as measure attributes, since they measure some value, and can be AGGREGATED upon.Dimension attribute DEFINE the dimensions on which measure attributes, and summaries of measure attributes, are viewed.



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