Data Cube: A Relational Aggregation Operator

DataCube:ARelationalAggregationOperatorGeneralizingGroup-By,Cross-Tab,andSub-TotalsAbstract:Dataanalysisapplicationstypicallyaggregatedataacrossmanydimensionslookingforunusualpatterns.TheSQLaggregatefunctionsandtheGROUPBYoperatorproducezero-dimensionalorone-dimensionalanswers.Applicationsneed