[Solved] If you pivot a column with duplicate values without aggregation, what will happen? — Ans: Power BI will show an error about multiple values | Power BI

Power BI - Data Cleaning with Power Query

If you pivot a column with duplicate values without aggregation, what will happen?

AIt will sum the duplicate values automatically

BPower BI will show an error about multiple values

CDuplicates will be ignored silently

DIt will create multiple columns for duplicates

Step-by-Step Solution

Solution:

Step 1: Understand pivot aggregation requirement
Pivoting requires aggregation if duplicates exist for pivot keys.
Step 2: Identify behavior without aggregation
Without aggregation, Power BI throws an error about multiple values.
Final Answer:
Power BI will show an error about multiple values -> Option B
Quick Check:
Pivot duplicates need aggregation [OK]

Quick Trick: Pivot duplicates require aggregation to avoid errors [OK]

Common Mistakes:

Master "Data Cleaning with Power Query" in Power BI

9 interactive learning modes - each teaches the same concept differently

More Power BI Quizzes

If you pivot a column with duplicate values without aggregation, what will happen?