Topic: SSAS
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Discover the pros and cons of disabling attribute hierarchies in Power BI and Analysis Services by modifying the “Available in MDX” property. We will analyze the difference in memory and performance that you can obtain by modifying a Power BI… Watch now
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Large models in Power BI Premium have now a larger segment size like Analysis Services. Is this important? Does it improve compression or performance? When? This unplugged video shows the early tests and benchmarks, in preparation for a future and… Watch now
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This article describes how blank values considered in a DAX conditional expression can affect its query plan and how to apply possible optimizations to improve performance in these cases. 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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USERELATIONSHIP lets you temporarily change which relationship is active. Even though USERELATIONSHIP is easy to work with in measures, it can be challenging and give you inaccurate results when used in calculated columns. In this article, we describe the details… 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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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 memory configuration in SQL Server Analysis Services and Azure Analysis Services. Modifying these settings may impact performance and memory errors. Read more
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Hierarchy handling in DAX is not very easy, due to the fact that hierarchies, unlike it was in MDX, are not first-class citizens in the DAX world. While hierarchies can be easily defined in the data model, there are no… Read more
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In the 2015 September update, Power BI introduced calculated tables, which are computed using DAX expressions instead of being loaded from a data source. This article shows the usage of calculated tables to solve the pattern of transition matrix for… Read more