Learning DW

  • Hi all, been going through the MS tutorial for Analysis Services, but it's as dull as ditchwater, not sure if I should spend time pursuing.  

    I have a small production DB I'd like to turn into a DW later, but for now any recommendations for a more engaging learning path?

    Thanks,

    JB

  • JaybeeSQL - Friday, January 12, 2018 10:19 AM

    Hi all, been going through the MS tutorial for Analysis Services, but it's as dull as ditchwater, not sure if I should spend time pursuing.  

    I have a small production DB I'd like to turn into a DW later, but for now any recommendations for a more engaging learning path?

    Thanks,

    JB

    First, familiarize yourself with concepts of dimensional modeling, star-schema, slowly changing dimensions, ETL. Afterward, focus on tools like SSAS, SSIS, and maybe vendor specific frameworks.

    Ralph Kimball is a good guide. His book below is perhaps one of the greatest ever written on the topic.

    The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling

    https://www.amazon.com/Data-Warehouse-Toolkit-Definitive-Dimensional/dp/1118530802
    Articles & Design Tips
    https://www.kimballgroup.com/category/articles-design-tips/

    "Do not seek to follow in the footsteps of the wise. Instead, seek what they sought." - Matsuo Basho

  • Eric M Russell - Friday, January 12, 2018 10:41 AM

    First, familiarize yourself with concepts of dimensional modeling, star-schema, slowly changing dimensions, ETL. Afterward, focus on tools like SSAS, SSIS, and maybe vendor specific frameworks.

    Ralph Kimball is a good guide. His book below is perhaps one of the greatest ever written on the topic.

    The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling

    https://www.amazon.com/Data-Warehouse-Toolkit-Definitive-Dimensional/dp/1118530802
    Articles & Design Tips
    https://www.kimballgroup.com/category/articles-design-tips/

    JaybeeSQL,

    As Eric said familiarize yourself with what a true data warehouse is. The Kimball Dimensional Model to data warehousing is the standard (they've been doing it for 30+ years). I have that book and it's a great read (well written and easy to understand). Dimensional modelling is fairly different than typical normalized databases and if built right will be a great foundation for analytics. ETL, SSAS, BI etc. are all separate parts to the analytics machine but dimensional modeling is how we organize, store and maintain the business processes that users will measure. 

    If you start building ETL packages then I'd suggest one of Wrox publishing's "Integration Services" books.  I have the 2008 version and use it for SQL 2014 but they have newer ones like this 2014 version: Wrox 2014 Integration Services

  • I'm a big Kimball fan as well.  Some of the former members of the Kimball Group (Ralph Kimball retired) have a new website at:
    https://decisionworks.com/category/articles-design-tips/

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