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21st November 2009 Gemini Self Service BI: Project PowerPivot Bob Duffy Database Architect Prodata SQL Centre of Excellence Speaker Profile – Bob Duffy • SQL Server MVP • MCA for SQL Server (aka SQL Ranger) • MCM on SQL 2005 and 2008 • 18 years in database sector, 250+ projects • Senior Consultant with Microsoft 2005-2008 • Regular speaker for TechNet, MSDN, Users Groups, Irish and UK Technology Conferences • On MCM 2008 exam working group • Database Architect at Prodata SQL Centre Excellence, Dublin Agenda • • • • Why Self Service BI What is PowerPivot? PowerPivot for Excel PowerPivot for SharePoint The BI road so far 2005/8 “Trad” 2005/8 BI Architecture Problems with Traditional BI ? #1 The Business User Can we analyze this data by tomorrow ? Can we compare the data to competitors data ? “It has to stay in Excel. We just won’t use another tool.” “We don’t know what is OLAP and dimensional modeling and we don’ to know. Even relational modeling is a bit too hard.” “Don’t ask us to design or model anything in advance. We should just be able to our data in and work. Exactly as do in Excel.” #2 The IT Perspective on using Excel “Spreadmarts” “Unsanctioned Information” “Stale Data” “Unsecure” “Ban Excel!” “Rouge Applications” “Data locked in Excel sheets” “Multiple Versions of the Truth” Arrrggg… #%^$% Gemini Goals – Match Conflicting Twins… Business Simple and Smart Tool IT Scalable and robust Infrastructure PowerPivot What is PowerPivot? Excel-hosted client & reporting In-memory BI engine (VertiPaq) PowerPivot for SharePoint Operational Monitoring PowerPivot for Excel… Loading Filtering Mashups Introducing DAX • • • • Expression Language based on Excel Syntax Essential for Calculated Columns and Measures Converted to MDX by PowerPivot AddIn Example Functions: • RELATED(), RELATEDTABLE() • Filter(Table, Condition) • Distinct(Column) • Concatenation “&” • Notes: • Works on Columns NOT Rows • Consider “home” sheet carefully Using DAX: Profit Analysis Temperature Mashup Wheres the data? Excel-hosted client & reporting In-memory BI engine (VertiPaq) PowerPivot for SharePoint Operational Monitoring PowerPivot for SharePoint • Sits under Excel Web Access (EWA) • Installation Gotchas • • • • • • Read the guides (on blogs) Needs Domain Accounts Easier with “new” farm Use Windows 2008 x64sp2 (patch for R2 released) Uses lots of RAM Limit of 2GB size (blob) • Needs Enterprise Edition PowerPivot for SharePoint What is PowerPivot? Excel-hosted client & reporting In-memory BI engine (VertiPaq) PowerPivot for SharePoint Operational Monitoring Step 1 Monitoring Sandboxes Step 2 Monitoring Servers Step 3 Monitoring a Solution Summary Excel is user tool of choice Balance between User Power IT Management Bridges the Organizational Divide Gemini is a part of the MS BI stack Enables the Self-Service scenario Enhances existing investments CTP3 Available now Ship next year References/Blogs Official Blog/Site http://blogs.msdn.com/powerpivot/ http://www.powerpivot.com/ Analysis Services Team Blogs http://powerpivotgeek.com http://powerpivottwins.com/ http://powerpivotpro.com/ General Site http://www.powerpivot-info.com/ Online PowerPivot Labs https://cmg.vlabcenter.com/default.aspx?moduleid=ad3bd3e9-8d2b498d-94fa-e41e1b09730d Thank You!
