Topic: DAX
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This article explains the most common causes of the error, “A circular dependency was detected” in Power BI and Analysis Services. Read more
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Analyzing table and column size is an important step in optimizing a data model for Power Pivot, Power BI, or Analysis Services Tabular. This article describes VertiPaq Analyzer, an Excel workbook to analyze detailed information extracted from Dynamic Management Views. Read more
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When you apply a multiple selection to a slicer or to a filter, you obtain a logical OR condition between selected items. This article shows how to implement a logical AND condition in a measure instead of the standard OR… Read more
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DAX.do is a new website by SQLBI where you can write and run DAX queries over a sample Contoso database. The goal of DAX.do is purely educational: if you are learning DAX or are merely curious to test a new… Read more
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You can create static tables in DAX using the DATATABLE function. This article describes the syntax of this new feature and shows when and how to use it. Read more
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This article describes the syntax and the use cases of the DEFINE TABLE statement in DAX. Read more
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This article describes the syntax and the use cases of the DEFINE COLUMN statement in DAX. Read more
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This article shows an optimized DAX technique to display the first N products for each category in Power BI, adding a row that aggregates the value for all the other products. The companion video introduces the scenario and the general… Read more
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This article describes a very common optimization pattern that relies on variables to optimize conditional expressions in DAX. Read more
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At the end of a year marked by the pandemic, it is time for our usual review of what happened in the DAX realm. The enthusiasm we typically demonstrate in this traditional end-of -year post is tainted this year by… Read more