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  • Last minute update #ssas #tabular community event in Amsterdam on April 16

    We finally have the registration website for the community event about Tabular in Analysis Services in Amsterdam on April 16 evening that I introduced in my previous post - don't miss it, the registration are open (and limited!) at: http://passnl-april2012.eventbrite.com/ This is really a ''last-minute'' event, but we're pretty confident ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on April 13, 2012
  • #SSAS #Tabular Workshop and Community Events in Netherlands and Denmark

    Next week I will finally start the roadshow of the SSAS Tabular Workshop, a 2-day seminar about the new BISM Tabular model for Analysis Services that has been introduced in SQL Server 2012. During these roadshows, we always try to arrange some speeches at local community events in the evening - we already defined for Copenhagen, we ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on April 12, 2012
  • Distinct Count of Customers in a SCD Type 2 in #DAX

    If you have a Slowly Changing Dimension (SCD) Type 2 for your customer and you want to calculate the number of distinct customers that bought a product, you cannot use the simple formula: Customers := DISTINCTCOUNT( FactTable[Customer Id] ) ) because it would return the number of distinct versions of customers. What you really want to do is to ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on April 9, 2012
  • Microsoft SQL Server 2012 Analysis Services – The BISM Tabular Model #ssas #tabular #bism

    I, Alberto and Chris spent many months (many nights, holidays and also working days of the last months) writing the book we would have liked to read when we started working with Analysis Services Tabular. A book that explains how to use Tabular, how to model data with Tabular, how Tabular internally works and how to optimize a Tabular model. All ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 28, 2012
  • Investigating on xVelocity (VertiPaq) column size

      In January I published an article about how to optimize high cardinality columns in VertiPaq. In the meantime, VertiPaq has been rebranded to xVelocity: the official name is now “xVelocity in-memory analytics engine (VertiPaq)” but using xVelocity and VertiPaq when we talk about Analysis Services has the same meaning. In this post I’ll ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 19, 2012
  • A new SQL, a new Analysis Services, a new Workshop! #ssas #sql2012

    One week ago Microsoft SQL Server 2012 finally debuted with a virtual launch event and you can find many intro sessions there (20 minutes each). There is a lot of new content available if you want to learn more about SQL 2012 and in this blog post I’d like to provide a few link to sessions, documents, bits and courses that are available now or ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 14, 2012
  • Why to use #Tabular in Analysis Services 2012 #ssas

    A few months ago I gave a speech at SQLBits 9 comparing Vertipaq vs. OLAP (you can watch session recording here), which I repeated a few times in other conferences and webcasts. The title was intentionally provocative but it contained an explanation of the real content – in fact it is “Vertipaq vs OLAP: Change Your Data Modeling Approach”. In ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on March 1, 2012
  • Create a #dax Measure in a Session in #BISM #Tabular

    Thanks to Greg Galloway that pointed me out this is possible, in this post I want to show how to create a measure local to a session. This could be done in SQL Server Management Studio, even if it is probably not so useful for a Tabular model considering that you can easily define measures local to a DAX query. However, maybe you will have a ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on February 28, 2012
  • How to Incrementally Process your #Tabular Model by Using Process Add in #ssas

    I recently wrote an article about how to implement a Process Add on a table in a Tabular model. This is an area where there is a lack of documentation by Microsoft, especially if you want to use a custom binding query for every Process Add command, which should be the common case for a Process Add scenario. Cathy Dumas wrote several blog posts ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on February 22, 2012
  • 3 Big Changes in Analysis Services 2012 Enabling Flexible Design

    The upcoming release of SQL Server 2012 has a lot of new features for business intelligence developers to love. The free preview of Introducing Microsoft SQL Server 2012 (Microsoft Press, 2012) does not include the chapter on Analysis Services, but you’ll be able to read the details when the final version of the ebook is released for ...
    Posted to Stacia Misner (Weblog) by smisner on February 10, 2012
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