Power BI Masterclass - Power BI Trick Incremental Refresh Tables Using DAX

The video tutorial explains how to implement an incremental refresh in Power BI, a feature typically available only in premium accounts. The instructor demonstrates how to set up a custom incremental refresh using Excel data, focusing on refreshing only the 2021 data while keeping 2019 and 2020 data unchanged. The tutorial covers importing data, using DAX expressions to combine tables, and visualizing the results in Power BI. The process is tested by updating the Excel data and refreshing the Power BI report to show changes only in the 2021 data.

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