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If you use Power BI Desktop and want to know the version of the engine that you use and/or the compatibility levels supported, you can run the following DMV query: SELECT * FROM $SYSTEM.DISCOVER_PROPERTIES WHERE [PropertyName] = 'ProviderVersion' OR [PropertyName]… Read more
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The context transition in DAX is the transformation of row contexts into an equivalent filter context performed by CALCULATE and CALCULATETABLE. Managing this behavior is the next step in learning DAX once you understand row context and filter context. This… Read more
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I am glad to announce that Kurt Buhler has started to work with us at SQLBI – we just published his first article and video, Improving data labels with format strings. Now that the cat is out of the bag,… Read more
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DAX creates a blank row to guarantee that results are accurate even if a regular relationship is invalid. The blank row is not created for limited relationships. This article shows the effect of not having a blank row in your… Read more
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The right title for this blog post should be “Guidelines for SQLBI content publishing”, but it would be too boring. And, at the time of writing, the more common questions we receive about articles that are nowhere to be found… Read more
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When you apply row-level security to a semantic model, there are limitations in using the USERELATIONSHIP function. This article shows the issues, provides a workaround, and its restrictions. Read more
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This article describes how to optimize time intelligence calculations with DirectQuery over SQL in Power BI by avoiding time intelligence DAX functions. Read more
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At SQLBI, Alberto Ferrari and I spend most of our time sharing our knowledge and expertise in DAX. We have been doing this for years, navigating through conferences, workshops, and videos, encountering many individuals – from eager beginners to seasoned… Read more
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This article describes the difference between the results of DATEADD and PARALLELPERIOD in DAX. These differences also impact many other time intelligence functions that are syntax sugar of these two. Read more
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This article describes the use of the tuple syntax in DAX expressions to simplify comparisons involving two or more columns. Read more