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  • The state of Multidimensional and Tabular adoption

    SQL Server Analysis Services is a product that does not have its own product code, being sold as part of SQL Server. I think that also Microsoft does not know (and cannot know) the exact number of users. For this reason, it’s also more difficult to analyze the effective usage of the two different model types: Multidimensional and Tabular. Thus, ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on October 23, 2014
  • Videos about #DAX on Project Botticelli

    More than one year ago, I and Alberto started recording videos for Project Botticelli, and now we have a set of videos about DAX that you can watch online. There are a few videos free, and others are available in the monthly subscription. If you are interested, use this 20% discount code before the end of the December 2013: SQLBI20HOLS2013 The ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on December 11, 2013
  • SQLLunch on April 23 in London and Cardiff #sqlpass #dax #sqllunch

    On April 23 I will present DAX in Action in London and Cardiff at SQLLunch event.How is it possible I will be in two places at the same time?This will be a remote presentation delivered in two locations, where you can have lunch while watching the session. What is this session about? This is the session description:Tabular is the new SSAS ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on April 15, 2013
  • Using SQL to query Multidimensional and Tabular models #dax #sql #mdx #ssas

    Analysis Services answers to query in MDX, in DAX (by now just for Tabular models) and has a limited capability to answer SQL queries. It is not useful for any development or client tool, but I wanted to write a blog post on it in order to be able to retrieve these information I gathered during study of DAX and MDX queries sent to Tabular ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on January 12, 2012
  • Analyze #DAX query plan with Profiler

    Jeffrey Wang started the 2012 (or finished the 2011, depending on your time zone) by publishing the first article dedicated to DAX Query plan. While I look forward to reading next articles, it is interesting the explanation of what is the relationship between MDX and DAX in Analysis Services 2012. An MDX query sent to a Tabular model is not ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on January 1, 2012
  • The Many-to-Many Revolution 2.0 #ssas #mdx #dax #m2m

    In September 2006 I had announced in this blog the release of the first version of The Many-to-Many Revolution, a whitepaper that describes how to leverage the many-to-many dimension relationships feature that had being available since Analysis Services 2005. The paper contains many generic patterns that can be applied in many common data ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on November 9, 2011
  • Converting #MDX to #DAX and PowerPivot Workshop online #ppws

    I just published the article Converting MDX to DAX – First Steps on the renewed SQLBI web site about converting MDX to DAX. The reason is that with BISM Tabular in Analysis Services 2012 you will be able to write queries in both DAX and MDX. If you already know MDX, you might wonder how to “translate” your MDX knowledge in DAX. I think that this ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on November 7, 2011
  • Median, Moving Average, Quartile and Percentile calculations in #PowerPivot

    Javier Guillén wrote several blog post about how to implement certain common calculations in PowerPivot. It is interesting to read his posts not only because of the solutions he propose, but also because he uses several techniques that can be applied in other scenarios. Here is a list of posts and reasons to read:Calculating Moving Averages in ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on September 13, 2011
  • Microsoft updates its BI Roadmap - #ssas #bism #teched #powerpivot

    During TechEd 2011, Microsoft announced an important update to its BI roadmap. The reason why this is important is related to the previous announcement, which I discussed in November 2010 by including links to several sources and comments. At PASS Summit 2010 the announcement regarding the next version of SQL Server, codenamed ''Denali'', ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on May 18, 2011
  • Recursive calculations in MDX #ssas #mdx

    Jeffrey Wang wrote a very detailed blog post about recursive calculations in MDX with Analysis Services. In these days I'm doing some comparison between DAX and MDX (well, between Vertipaq/PowerPivot and OLAP/SSAS engines) and I'm discovering that MDX calculation engine is much more smart than you might think in certain conditions. I cannot ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on April 28, 2011
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