What does DAX stand for in Power BI?

DAX stands for Data Analysis Expressions, which is a powerful formula language used in Power BI, Excel, and SQL Server Analysis Services. DAX is designed for data manipulation and analysis, enabling users to create custom calculations, aggregations, and complex queries on their data models. It is particularly valuable for creating measures and calculated columns that allow for dynamic data analysis based on user interactions and performance metrics.

Understanding DAX is essential for harnessing the full potential of Power BI, as it enhances reporting capabilities beyond the standard functionalities offered by the interface. The language includes functions for filtering, conditional statements, and time intelligence, all of which help in deriving insights from the data.

While the other choices present plausible alternatives that hint at data analysis, they do not accurately represent the DAX acronym or its widespread relevance in Power BI.