Guide Dax Best

| Function | Description | | :--- | :--- | | SUMMARIZE() | Group by columns (use sparingly; use SUMMARIZECOLUMNS) | | SUMMARIZECOLUMNS() | Preferred for grouping | | ADDCOLUMNS() | Adds calculated columns to a table expression | | NATURALINNERJOIN() | Relational join between tables | | UNION() , INTERSECT() , EXCEPT() | Set operations |

The Ultimate Guide to DAX: Mastering Data Analysis Expressions guide dax

: Automate repetitive reporting tasks and dashboard updates. | Function | Description | | :--- |