150 likes | 361 Views
Introduction to Microsoft SQL Server Analysis Services 2008. Vidas Matelis, Toronto SQL Server User Group November 13, 2008. Quick info about me. Microsoft BI Consultant – SQL Server, SSIS, SSAS, SSRS; over 13 years experience with SQL Server Microsoft SQL MVP
E N D
Introduction to Microsoft SQL Server Analysis Services 2008 Vidas Matelis, Toronto SQL Server User Group November 13, 2008
Quick info about me • Microsoft BI Consultant – SQL Server, SSIS, SSAS, SSRS; over 13 years experience with SQL Server • Microsoft SQL MVP • My website: http://www.ssas-info.com • My blog: http://www.ssas-info.com/VidasMatelisBlog/ • 18 Microsoft certification exams – MCP, MCSE-NT4, MCSE-W2K, MCDBA (SQL 2000), MCTS-SQL2005, MCTS-BI2005, MCTS-BI2008, MCIP-BI Developer
Agenda • Quick info about SSAS – what it is and why to use it • SSAS terminology explained – Database, cube, measures, dimensions, attributes • We will create POC SSAS DB on existing SQL Server DB
Short SSAS history and future • Panorama • SQL Server 7.0 • SQL Server 2000 • SQL Server 2005 • SQL Server 2008 • SQL Server 2010 - Kilimanjaro and Gemini
About SSAS • AS is a server-based platform for OLAP and data mining. • Tools - BIDS, SSMS • Query language – Multidimensional Expressions or MDX; for Data Mining - Data Mining Extensions or DMX • MDX Query: SELECT [Date].[Calendar].[Calendar Year].Members ON COLUMNS , [Product].[Category].Members ON ROWS FROM [Adventure Works] WHERE ([Measures].[Reseller Sales Amount] , [Geography].[Geography].[Country].&[Canada] );
Why use SSAS • Speed – MOLAP queries are much faster than relational DB queries (especially summarized data)
Why use SSAS • Speed – MOLAP queries are much faster than relational DB queries (especially aggregated data) • There are many front end tools available that allow users to build reports themselves
Demo 1 – Terminology • Database • Cube • Measure • Dimension • Hierarchy • Attributes
How to use SSAS properly • Extract data from source system(s) • ETL data into relational data warehouse, conforming data from different sources, using surrogate keys • Create SSAS database. • Choose front end and start building reports.
Building POC using SSAS • Choose SQL Server database with data YOU KNOW • Build a fake DW database using views and some tables • Create SSAS database • Choose front end and start building reports.
Demo We will build POC on Adventure Works LT 2008 DB • We will create new SQL Server DB • We will create views that define dimensions and fact table • We will create SSAS Database • We will query data from SSAS Database using Excel
Summary • We learned what SSAS can do for you • We learned how to build POC using SSAS
What to do next • Get more info from http://www.ssas-info.com – articles, papers, webcasts, FAQs • Build POC using your company data and show it to your boss
Q & A • Any questions?