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In PowerPivot for Excel 2010 it is possible to import an Excel table in a PowerPivot data model by using the Linked Table feature. Excel 2013 expands this capability by Read more
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In many workshops and sessions about PowerPivot the most frequently asked question has always been: how can I automate the PowerPivot Data Refresh in Excel? I talked about that a few weeks ago. 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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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
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PowerPivot and BISM Tabular handle relationships between tables by using a single column that requires to be a unique column in the lookup table. In this article you will see how to handle relationships between tables that have different granularities,… Read more
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If you have a PowerPivot workbook created with Excel 2010, in order to navigate and/or update the data model with Excel 2013 you need to upgrade the workbook. Read more
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This article contains a short checklist of what you have to do in order to optimize the memory used by a data model in PowerPivot or in Analysis Services Tabular, including links to tools and resources that can help you… Read more
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In PowerPivot you can import data from several sources and it is often the case that you import a DateTime column from a database. From an analytical point of view, you usually make analysis over dates (day/month/year/quarter/week) and over time… Read more
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Videos available from SQLBits
We presented a few session at SQLBits and the video of these sessions are available. This is the list of sessions available from SQLBits 8 and SQLBits 9 – just click the link on the title and jump to the… Read more
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PowerPivot and Analysis Services 2012 Tabular do not support many-to-many (M2M) relationships directly in the data model. However, you can obtain the desired result from a many-to-many relationship by writing a DAX expression. For example, consider the classic M2M relationship… Read more