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  • Expert Cube Development new edition now available! #ssas #multidimensional

    It is available the new edition of the advanced OLAP book, now called “Expert Cube Development with SSAS Multidimensional Models”. The previous edition was titled “Expert Cube Development with Microsoft SQL Server 2008 Analysis Services” and the biggest issue of the book was… the title! In fact, there haven’t been major changes in Multidimensional ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 4, 2014
  • MDX Studio download #mdx #ssas

    Short version: the latest available version of MDX Studio can be downloaded from http://www.sqlbi.com/tools/mdx-studio/ Long version: Last week Stacia Misner twitted that the online version of MDX Studio was no longer available. It was hosted on http://mdx.mosha.com. It was a sad news, and it is also not good that nobody is maintaining the ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on September 24, 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
  • Vote a bug and a missing feature in #powerpivot #denali #ctp3 on #connect

    If you have 30 seconds available, please vote the following items on Connect: https://connect.microsoft.com/SQLServer/feedback/details/679618/import-attribute-key-from-ssas-in-powerpivot When you import data coming from an Analysis Services cube in PowerPivot, you cannot import the attribute key value. Only the attribute name is included in the ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on July 19, 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
  • Introduction to MDX in London with Chris Webb

    Most of the readers of this blog probably have a good knowledge about MDX. But if you are new to MDX or want to improve a basic knowledge, and you’re in London or you are looking for a very good reason to visit the city, then you cannot miss the public course “Introduction to MDX” that Chris Webb is organizing in central London on 12th-13th May ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 22, 2011
  • The Microsoft BI Roadmap: BISM, UDM and Beyond

    Microsoft recently announced a new roadmap for its BI architecture. The next version of SQL Server, codenamed “Denali”, is going to introduce a new semantic model named BISM (Business Intelligence Semantic Model). Analysis Services will host it and it will be queryable through MDX and DAX. DAX has been introduced in PowerPivot as an expression ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on November 15, 2010
  • For Analysis Services users, you should be aware of this fix

    If you are using SQL Server 2005 or 2008 Analysis Services, and have been keeping up to date with hotfixes cumulative updates, you may have been adversely affected by a previous round (and your users might not have even noticed).  Essentially you can get incorrect results from certain MDX queries, due to a side effect of a fix first ...
    Posted to Aaron Bertrand (Weblog) by AaronBertrand on November 14, 2009
  • Possible bug with DirectSlice and MeasureExpression

    We (I found the issue, Chris created the repro) detected a possible bug using DirectSlice and MeasureExpression.We just posted it here: https://connect.microsoft.com/SQLServer/feedback/ViewFeedback.aspx?FeedbackID=455732 The issue could be very dangerous resulting in wrong query results on cells affected by DirectSlice property and ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on May 27, 2009
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