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  • 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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