: Occurs when a formula iterates row-by-row, such as in a calculated column. Measures vs. Columns :
DAX functions are categorized based on the problems they solve: Learn DAX basics in Power BI Desktop DAX Functions
: Calculated on the fly based on report filters; more CPU-efficient and generally recommended for most analytical needs. Key Function Categories : Occurs when a formula iterates row-by-row, such
: Computed at data refresh and stored in the model; best for filtering or grouping. DAX Functions
: The specific subset of data being calculated (e.g., a specific year or region selected in a report).
: This is the environment in which a formula is executed.