Functions | Dax

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

Understanding DAX requires more than just memorizing functions; it requires grasping how data is filtered and evaluated: DAX Functions

: Calculated on the fly based on report filters; more CPU-efficient and generally recommended for most analytical needs. Key Function Categories : Computed at data refresh and stored in

: Occurs when a formula iterates row-by-row, such as in a calculated column. Measures vs. Columns : DAX Functions

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