BI Semantic Model – SSAS Tabular Mode
Traditional IT focused OLAP solutions
Scalable Insight with BI Semantic Model Single, model for BI applications to provide a consistent view of data Data model Business logic and queries Data access BI Semantic Model Enables a wide spectrum of capabilities – from dashboards and scorecards to reports and analytics. Enhance productivity with design aids and best practices. New Tabular mode: Enable faster iteration and reduce complexity in design. In-memory column store technology
Power User/IT focused OLAP solutions
Scalable Insight with BI Semantic Model Single, model for BI applications to provide a consistent view of data Abstraction Layer Faster to develop solutions and easier to maintain Hybrid Model – Power of OLAP with a relational view Familiar Excel like language (DAX) Shorter learning curve Excellent choice for departmental solutions Address Issues of PowerPivot Marts
Multi-dimensional vs. Tabular Mode Feature Comparison Multi-dimensionalTabular ActionsYesNo AggregationsYes Calculated MeasuresYes Custom AssembliesYesNo Custom RollupsYesNo Distinct CountYesYes (via DAX) Drill-throughYesNo HierarchiesYes KPIsYes Linked objectsYesNo Many-to-manyYesNo Parent-child HierarchiesYesYes (via DAX) PartitionsYes PerspectivesYes Semi-additive MeasuresYes TranslationsYesNo User-defined HierarchiesYes Write-backYesNo
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