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What is …• What is it• Why to use it• Who will use it• When / where to install it• How to use it• What else?
SQL Server Analysis Services Modes• UDM (Multidimensional / Data Mining) Also called OLAP cubes• BISM (Tabular) Business Intelligence Semantic Model• PowerPivot for SharePoint
What is the BISM?• New model for SQL Server Analysis Services• Complimentary to the UDM (OLAP cube)• Must be installed ‘tabular model’ in SSAS Only one model type per SSAS instance• Similar to PowerPivot, but on a server Uses Vertipaq
Why Use BISM?• Quick and simple to set up (flexible model) Fast – in memory by default w/Vertipaq Connects to many types of data Overcomes the limits of desktop Excel client Granular (role-based) security model• Integrates with PowerView (data source in SPS)
Some Example Data Markets• Windows Azure Data Market• DataMarket.com• Factual.com• InfoChimps
When to use the BISM?• PowerPivot for personal BI Excel desktop + PowerPivot add-in• PowerPivot on SPS for team BI Excel Services + SharePoint Enterprise• BISM on SSAS for corporate BI Tabular models created in SSDT Tabular models viewed in one of the clients Excel Power Pivot / Pivot Tables SharePoint Reports SharePoint PowerView
Installing BISM• SQL Server 2012 • BI or Enterprise Editions • Install SSAS in Tabular mode• Build models in Excel –AND- using SSDT • Stand-alone –OR- • Add-in to Visual Studio 2010• Not installed by default
How to Use BISM?• Design in SSDT (or import from PowerPivot)• Models can be opened in Excel PowerPivot, SharePoint or• Can be used as data sources for SSRS in SharePoint….
Parts of BISM • Tabular Model Project in SSDT • New or Import • BISM – new or from PowerPivot via Excel • Workspace Database (in memory by default) • Views in BISM • Data & Calculation • Diagram • Toolbars—create KPI, etc… • Perspectives are supported as well
Enhancing Models• Sort or Filter Table data• Add Relationships (diagram view)• Add Hierarchies (diagram view)• Adding Calculated Columns via DAX• Adding Measures and KPIs via DAX
Diagram View of BISM in SSDT• Manage Relationships• Create Hierarchies
Using DAX with BISM modeling• Data-expression Query Language Excel-like simplified version of MDX Excel ‘plus’ adds Navigate relationships Dynamic calculation of measures Table-valued functions Date/Time intelligence (functions, ex. MTD, QTD, YTD)
BISM Models and Excel• Can be created in Excel (and imported into SSDT)• Can be viewed in Excel (PivotTables) while modeling in SSDT
Enhancing the Model – Advanced View 2 • Set the Table Behavior Row ID Uniqueness Default Label Default Image
About Query Modes• InMemory is the default• Query Mode (SSDT) / Direct Query Mode (SSMS)• Direct Query mode can use Columnstore indexes• Direct Query mode supports only a single data source• Not all DAX functions work in Direct Query mode – c-link
Adding Security Roles• Map groups to BISM roles
Deployment of BISM in SSDT to SSAS• Query Mode default is ‘In- Memory’• Cube Name default is Model
Connecting to a deployed BISM model• Administration in SSMS• View in Client Excel / PowerPivot SharePoint PowerView
DAX or MDX?• MDX issuing clients (Excel) can talk to both multidimensional models and tabular models running in VertiPaq (in-memory) mode.• MDX cannot be used to talk to DirectQuery models.• DAX issuing clients (Power View) can talk to tabular models (both kinds - VertiPaq and DirectQuery)• DAX cannot be used to talk to multidimensional models. This functionality is on the roadmap, but will not be present at RTM
Tips, Tricks & Gotchas• Installation • SSAS in either Tabular –or- UDM mode • Needs prerequisites• Development • One BISM model per project • DAX, not MDX • Try it out in Excel while developing in SSDT
Trying out BISMSamples• SQL 2012 tutorial - here• CodePlex samples – here
Tips, Tricks, Gotchas for BISMMust install it correctly when installing SSAS3rd party tool – BISM Normalizer
Monitoring Resource Usage• Can use Profiler• Extended Events for monitoring• Can use DMVs• SSAS Operations Guide
What about the UDM?• UDM / Data Mining is fully supported in SSAS• Must be installed in this mode Mutually exclusive to Tabular mode• But, should you use it anymore?
ResourcesTeam Blog - hereOther blogsAbout DAX – MVP blog - here
Next Steps• Install SSAS Tabular mode• Learn PowerPivot and DAX• Build a Tabular model
Related Session(s)• SQL BI SQL 366 - Understanding Analysis Services in SQL Server 2012 SQL 422 – Integrating Spreadsheets with Enterprise Data SQL 245 - Why Data Warehousing Projects Fail SQL 384 - Data Quality Services (DQS) and Master Data Services in SQL Server 2012
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