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The second year of the pandemic is coming to a close and despite the many uncertainties, we are all striving to push forward and look ahead. For sure, it is a good moment to see what happened in the DAX… Read more
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In DAX, optimizations and data types do not always play nice and can leave you dealing with surprises. In this short article, we see an example of how mixing blanks, Boolean logic, and comparison with TRUE might lead to unexpected… Read more
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UPDATE 2021-06-29: also read Choosing Azure Analysis Services or Power BI Premium for large datasets – SQLBI containing updates about Power BI Premium Gen2. I often get questions about use cases for Azure Analysis Services. So I wanted to do… Read more
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Almost 18 months ago I compared Azure Analysis Services and Power BI Premium for large datasets. At that time, Azure Analysis Services was a clear choice, but it is almost time to update that post with a longer article. Because… Read more
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When you create and publish a composite model using DirectQuery for Power BI datasets and Analysis Services, you should pay attention to the minimal permissions required to consume data. For example, consider the following scenario: Base is a shared dataset… Read more
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Past are days of creating data models with a single monolithic tool provided by Microsoft. The required toolbelt includes multiple tools. Most of them are free and open-source. Watch the recording of the SQLBI live event delivered on Wednesday May… Read more
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I just wrote a T-SQL query based on CTE that generates support information to calculate working days in a period. Simply look at the WorkingDaySequential measure, which difference between two dates is the number of elapsed working days. In the real world: Read more
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Don’t miss the upcoming free SQLBI live event on Friday April 16, 2021! Join Adam Saxton, Alberto Ferrari, Patrick LeBlanc, and Marco Russo to discuss common mistakes in big data models. Proper data modeling will be a hot topic in… Read more
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A name is important. The right name is important. In this post, I reflect on the choice of names in the Microsoft BI stack. From time to time, a bad name arises. Not a big issue, as together we tend… 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