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data cube: a relational aggregation operator generalizing group-by, cross-tab, and sub-totals

IDSLab.. 2. Outline. RemindingRelational Aggregate OperatorsRelational GROUP BY OperatorProblems with GROUP BYHistogramsRoll-Up ReportsCross-TabsCUBE OperatorThink of the N-dimensional CubeAn ExampleSyntaxFunctional AggregationComputing the CubeConclusion. IDSLab.. 3. Reminding Relational Aggregate Operators.

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data cube: a relational aggregation operator generalizing group-by, cross-tab, and sub-totals

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