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Published byLauren Henry Modified over 9 years ago
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The 20-Minute Tabular Model Bill Anton Prime Data Intelligence
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About Me I Love Data! Independent Consultant @ Prime Data Intelligence LLC Atlanta BI SQL Server Users Group Twitter: @SQLbyoBI@SQLbyoBI Blog: http://byobi.comhttp://byobi.com Email:william.anton@gmail.comwilliam.anton@gmail.com
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Agenda 1.What is Tabular (and why do I care) 2.Tabular vs. Multidimensional 3.DEMO - build a basic tabular model
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What is Tabular TabularMultidimensional DAX MOLAP MDX ROLAPxVelocity Direct Query DW* Source Systems (ex. SAP, LOB Applications) Reporting Layer (ex. SSRS, Power View, Excel) Data Warehouse Source Systems Business Logic Data Access Model Reporting Layer B usiness I ntelligence S emantic M odel
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Tabular vs. Multidimensional Criteria/RequirementMultidimensionalTabular Data SizeUp to 24TB*Memory-bound Hardware ResourcesMemory, CPU, Disk IOMemory, CPU* Real-TimeYes*Yes Query LanguageMDX*MDX & DAX Query Performance(hard) Fast(easy) Faster Typical Development EffortMedium-HighLow-Medium Model ComplexityComplexSimple* SecurityRow-Level, CellRow-Level Data Mining*YesNo LicensingAll VersionsBI/Enterprise
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Summary of Tabular Limitations Parent-Child Hierarchies Complex Calculations Named Sets Scoped Assignments Custom Rollups Cell Calculations Many 2 Many Actions Writeback Translations Data Mining Aggregations (not necessary) Cell Security Linked Objects
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Tabular vs. Multidimensional TabularMultidimensionalEither
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Use the right tool for the job! What’s the take away?
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DEMO Requirements: 1.SQL Server Data Tools (SSDT) 2.SQL Server Analysis Services - Tabular Instance
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DAX vs MDX
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QUESTIONS
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References http://byobi.com/blog/20-minute-tabular-model/ Twitter: @SQLbyoBI@SQLbyoBI Blog: http://byobi.comhttp://byobi.com Email:william.anton@gmail.comwilliam.anton@gmail.com
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