Power BI Performance Tuning Step 2 Create Aggregated table in 3 ways
The first step of using aggregation for performance tuning of a Power BI model is to create the aggregated table. In this video, I explained how to create the aggregated table in 3 different ways; Power Query (or dataflow), SQL group by command, and DAX calculated table. I explained the differences of these three methods as well.
learn more by reading my blog article here:
https://radacad.com/power-bi-aggregation-step-1-create-the-aggregated-table