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This article explains how to avoid circular dependency errors that can occur in DAX when two or more entities (calculated columns or calculated tables) reference one another in such a way that the engine cannot compute their value. Read more
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This article shows how to add an additional “other” row to the selection obtained using the Top N filter in a Power BI report. Read more
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Power BI and Analysis Services are case-insensitive by default.Lowercase letters are identical to uppercase letters.This is mostly a good choice, but it also comes with unexpected consequences. In this article, we run through a set of queries to understand what… Read more
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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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This article describes how to implement incremental updates to an Analysis Services database in Tabular mode with compatibility version 1200 or higher. 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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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