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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… Read more
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Ranking is useful and, in our book, I and Marco provide a lot of information about how to perform ranking with PowerPivot. Nevertheless, there is an interesting scenario where ranking can be performed without complex DAX formulas, but with just… Read more
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I spend most of my time developing complex BI solutions and, doing that, I always talk with DBA, developers, CEO, data analysts and the many kind of people that work around a BI solution. Nevertheless, in these last months, publishing… Read more
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Following my last post about parent/child hierarchies in PowerPivot, I worked a bit more to implement a very useful feature of Parent/Child hierarchies in SSAS which is obviously missing in PowerPivot, i.e. unary operators. A unary operator is simply the… Read more
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UPDATE: This blog post is still good for learning DAX principles, but a better description of many-to-many patterns is available on The Many-to-Many Revolution whitepaper that is available here: http://www.sqlbi.com/articles/many2many/ – please download it and use the pattern described there to… Read more
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A general problem of any cube is the way PowerPivot handles calculated members. From a technical point of view, it is absolutely correct that PowerPivot imports the result of a calculated member evaluated at the granularity of the query result.… Read more
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After the successful first edition in Amsterdam of the PowerPivot Workshop in December, we are planning to repeat this 2-day intensive course on PowerPivot in several other European countries (we are also evaluating one or two possible dates in US… Read more
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In DAX string comparison requires you more attention than in SQL, for several reasons: DAX doesn’t offer the same set of features you have in SQL, a few text comparison functions in DAX are only case-sensitive and others only case-insensitive,… Read more
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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… Read more
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Sorting a column by using another column is one of the nice features of the new version of PowerPivot introduced with SQL Server 2012 (we call it PowerPivot v2, but it really v11 because it is aligned with SQL Server).… Read more