XLOOKUP vs VLOOKUP: What’s the Difference and Which One to Use

Learn how to build KPIs in Power BI using DAX – target achievement, sales growth, and how filter context affects your metrics.

Learn how to use Group By in Power Query – grouping data and calculating totals, averages, and counts. Simple and advanced examples.

Learn how DAX iterator functions SUMX, AVERAGEX, COUNTX, and RANKX work in Power BI, the difference from SUM, and when to use them.

Learn how to automate an Excel report using Power Query, with a real example using CSV files, the Folder method, and automatic dashboard refresh.

Learn when to use Unpivot and Pivot in Power Query – how to turn columns into rows and back, and how to avoid common mistakes.

Learn the difference between Row context and Filter context in DAX, how they work together, and how CALCULATE changes filter context in Power BI.