How to Use Power BI Aggregations for Big Data

Are you Struggling with slow reports on huge datasets?
Power BI Aggregations can supercharge your performance

📊 Step 1: Create an Aggregated Table
Summarize your big fact table by key dimensions — like Date, Product, or Region.

🧠 Step 2: Enable Manage Aggregations
Right-click your aggregated table ➝ “Manage Aggregations”
Map each column to the large fact table — tell Power BI what it’s summarizing.

Step 3: Let Power BI Handle the Rest
Power BI will now automatically switch to the small aggregated table when possible — making reports much faster.

✅ Use aggregations to:

  • Cut query times from minutes to seconds
  • Reduce load on your data source
  • Improve user experience

🚀 Big Data? No Problem.
Use Power BI Aggregations and fly through billions of rows!

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