Dr Greg Low CEO & Principal Mentor SQL Down Under

Broad adoption “Use of OLAP functionality by Microsoft customers is more than double that for the rest of the survey respondents.” Source: Gartner Magic Quadrant for BI Platforms, 2011 Large ecosystem "Wide availability of skills is among the top reasons customers select Microsoft over competing vendors.” Source: Gartner Magic Quadrant for BI Platforms, 2011 Highest rated infrastructure and development tools “Microsoft customers rate its BI platform infrastructure and development tools among the highest compared to other vendors, and a higher percentage of customers use them extensively.” Source: Gartner Magic Quadrant for BI Platforms, 2011

But it's all about the compression!

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FeatureComments PerspectivesEasier to create in tabular SecurityEasier to create in tabular (can also create dynamic security via USERNAME and LOOKUPVALUE functions) Scripting languageDAX is simpler to learn from scratch ROLAP / Direct QueryDirect query applies to entire table, does not support MDX queries, and limits DAX functions Data typesSomewhat richer data type support in tabular KPIsEasier to create in tabular (but no trend)

FeatureComments Process dimensionWithout processing associated measure groups Partition dimensionProcess one state's data separately? Reporting propertiesGreatly improves client interaction in tools such as Power View

FeatureComments Translations Named sets ActionsBasic drill-through is OK Custom assemblies MDX scriptingETL based options often better in many situations Custom rollups WritebackNeed to manage separate table and process Missing key strategyAll missing keys mapped to a single missing value

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