Topic: Optimization
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GROUPBY and SUMMARIZE seem similar, but they differ in both performance and functionalities. Choose the right one depending on specific scenarios! Watch now
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Both GROUPBY and SUMMARIZE are useful functions to group by columns. However, they differ in both performance and functionalities. Knowing the details lets developers choose the right function for their specific scenario. Read more
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A filter argument in CALCULATE is always an iterator. Finding the right granularity for it is important to control the result and the performance. This article describes the options available to create complex filters in DAX. Read more
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We recently released the second edition of the Optimizing DAX video course. Despite its volume, some details always did not find space in the training material. The REDUCED BY syntax of xmSQL is one of those details. Read more
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This article describes how to use the Group By Columns property to store the slicer selection by using the same column used in a SWITCH function to optimize the query performance. Read more
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This article describes how to optimize a text search operation in DAX. This technique can improve the performance of Power BI reports that use the contains condition in the filter pane or the filter mode of the Smart Filter Pro… Read more
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The second edition of the Optimizing DAX video course is available: new content, a new book, and some on the behind-the-scenes of the project. Read more
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Optimize the query performance of a SWITCH function in DAX that reads a slicer selection: the Group By Columns property can solve a practical problem. Watch now
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The SWITCH function in DAX has been optimized over the years, and it is helpful to know what makes the optimization work best. Read more
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Horizontal fusion is a new optimization technique available in DAX to reduce the number of storage engine queries. In this video, we introduce this optimization with some examples. Watch now
