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  • The updated Survey pattern for Power Pivot and Tabular #powerpivot #tabular #ssas #dax

    One of the first models I created for the many-to-many revolution white paper was the Survey one. At the time, it was in Analysis Services Multidimensional, and then we implemented it in Analysis Services Tabular and in Power Pivot, using the DAX language. I recently reviewed the data model and published it in the Survey article on DAX Patterns ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on May 29, 2014
  • Optimize Many-to-Many with SUMMARIZE and Other Techniques

    We are still in the early days of DAX and even if I have been using it since 2 years ago, there is still a lot to learn on that. One of the topics that historically interests me (and many of the readers here, probably) is the many-to-many relationships between dimensions in a dimensional data model. When I and Alberto wrote the The Many to Many ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on June 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
  • Many-to-Many Dimensions: Query Performance Optimization Techniques

    More than one year ago I published a paper about design patterns for many-to-many dimension relationships. Since then, I built other models and I got more experience about possible performance optimizations. Unfortunately, I still hadn't time to write about it and this topic requires verbose document and analysis to be reproducible and ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on December 22, 2007
  • Analysis Services 2005: many-to-many dimension, killer feature!

    SQL Server 2005 has a new version of Analysis Services with a lot of new features, so much that a whole (thick) book would be necessary to describe everything. Nevertheless, many improvements are ''marginal'', in the sense that bring us better productivity (= less development time) or better performance. Aside administrative and development ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on October 4, 2004
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