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Business Intelligence. Simon Pease. Experience with BI. Developing end-to-end BI prototype for Plan International Extensive project experience with Reporting Services Books, courses, exams and played Developed numerous reporting apps that should have been BI solutions!. Concepts.
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Business Intelligence Simon Pease
Experience with BI • Developing end-to-end BI prototype for Plan International • Extensive project experience with Reporting Services • Books, courses, exams and played • Developed numerous reporting apps that should have been BI solutions!
Concepts • Business Intelligence • Organisation-wide perspective • Combining data from diverse systems • High level aggregation to detailed drill-down • Relational data not designed for BI • Narrow focus on specific business requirement • OLTP for speed of entry and integrity • OLAP (On-line Analytical Processing) for aggregating large data volumes
Core Processes • ELT (Extract, Load, Transform) • Import, clean and combine diverse data • Store in Data Warehouse • Star Schema • Relational structure for OLAP, not OLTP • Cubes • Pre-aggregate results (sum, count) • Reporting • (Data Mining and Prediction)
SQL Server 2005 • SQL Server Management Studio • Design and query databases • Replaces Enterprise Manager, Query Analyser • Manage Servers (DB, AS, RS, IS) • SQL Server Business Intelligence Studio • VS .NET 2005 projects • Design, build and deploy
Business Intelligence Studio • Integration Services • Data import and transform (replaces DTS) • Merge data into Star Schema • Analysis Services • Design and populate Cubes • Report Model • ERD for reporting • Report Server • Design and publish reports
Star Schema • Star focuses on business area • Sales, Logistics • Fact Table stores numeric measures • Order Value, Order Quantity • Dimension Tables • How data is analysed (aggregates and heirarchies) • Product, Customer, Time
Demo – Star and SSIS • NwindOLTP2005 – Source Database • NwindStar2005 – Star Schema • Data issues • Re-mapping to keys in Dimension Tables • vwRawFactData • vwMappedFactData
Demo – AS Cube • Turn on Services (AS, SQL Browser) • Set up Data Source and Data Source View • Warning – use Service Account • Run wizard to create the Cube • Configure Deployment Options • Process and Deploy • Browse in Management Studio – drag on dimensions and measures
Demo – Report Wizard • Report Services Project • Connect AS • Drag on Measures and Dimensions, set ParametersTabular, set options • Publish to Report Server (IIS)