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  • Debunking Kimball Effective Dates part 2 – Windowing Functions

    Reigniting the [SCDEndDate] debate In November 2009 I wrote a blog post entitled Debunking Kimball Effective Dates where I stated that I was against the Kimball-recommended practice of maintaining a StartDate & EndDate value for every record in a type 2 slowly changing dimension (SCD) table (i.e. the values highlighted in blue in the ...
    Posted to Jamie Thomson (Weblog) by jamiet on July 13, 2011
  • Please Vote: Windowing Enhancements in SQL Server

    Back in January 2007, SQL guru Itzik Ben-Gan posted a series of MS Connect enhancement requests concerning windowing function enhancements.  Those who have used the ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE() functions on SQL 2005 and 2008, you already know how useful they are.  They simplify code and can improve performance ...
    Posted to Michael Coles: Sergeant SQL (Weblog) by Mike C on November 19, 2009
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