Functions - Dax

: This is the environment in which a formula is executed.

: Computed at data refresh and stored in the model; best for filtering or grouping. DAX Functions

: Calculated on the fly based on report filters; more CPU-efficient and generally recommended for most analytical needs. Key Function Categories : This is the environment in which a formula is executed

DAX functions are categorized based on the problems they solve: Learn DAX basics in Power BI Desktop Key Function Categories DAX functions are categorized based

is a specialized formula language used in Microsoft Power BI , Power Pivot, and Analysis Services to perform custom calculations. While it shares a similar syntax with Excel, DAX is uniquely designed to handle relational data and complex context transitions. Essential Core Concepts

: The specific subset of data being calculated (e.g., a specific year or region selected in a report).