Want to find out which month had the highest total sales using DAX in Power BI? In this Challenge 9 of our 21-Day series, you'll learn how to use a DAX measure with variables and virtual tables to return the month name with maximum sales not just the number!

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We cover:
1. How to create a new DAX measure step-by-step
2. Using CALENDAR, ADDCOLUMNS, and MAXX functions
3. How to filter virtual tables for top performance
4. Fixing the issue of getting a number instead of the month name
5. BONUS: Switch to MIN for lowest sales logic!

Whether you're a Power BI beginner, student, or a data analyst, this is a must-know DAX pattern for real-world sales analysis.

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⏱ Timestamps:
00:00 - Intro to Challenge 9: Month with Highest Sales
00:08 - Welcome to Day 9 of the 21-Day DAX Challenge
00:11 - What You’ll Learn in This Video
00:17 - Creating a New Measure in Power BI
00:23 - Writing the DAX Formula Step-by-Step
00:31 - Defining a Virtual Table with Calendar Month & Sales
01:09 - Creating Variable to Capture Max Sales
01:44 - Filtering Table to Find Month with Max Sales
02:10 - Returning the Month Name Instead of Month Number
02:30 - Fixing Common Output Issues
03:06 - Final Result: October as the Top Month
03:15 - BONUS Tip: How to Find the Lowest Sales Month
03:26 - Wrap-Up of Challenge 9
03:30 - Teaser: What’s Coming in Challenge 10


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