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.

Why might refreshing data in Power BI take a long time?

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What is the concept of incremental refresh in Power BI?

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What is a limitation of the incremental refresh feature in Power BI?

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How can you construct your own incremental refresh in Power BI?

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What steps are involved in loading data from Excel into Power BI?

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What adjustments can be made to ensure only specific tables are refreshed?

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What happens when you refresh the data in Power BI after making changes in the Excel file?

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