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Data & Analytics · Intermediate

OLAP Cube

A multidimensional data structure that precomputes measures across dimensions for fast slicing and aggregation.

Definition

Cubes organize measures (sales) by dimensions (time, product, region) with hierarchies. Traditional cube engines include SQL Server Analysis Services Multidimensional. Modern tabular models such as Power BI semantic models deliver similar analysis in memory.

Exam tip

Know the OLAP verbs: slice (one dimension fixed), dice (sub-cube), drill-down and roll-up (change level), pivot (rotate).

Related terms