Recall & Review
beginner
What does Header promotion mean in Power BI?
Header promotion means turning the first row of data into column headers so the table has meaningful column names.
Click to reveal answer
beginner
Why is header promotion important in Power BI?
It helps make data easier to understand and use by giving columns clear names instead of generic ones like Column1, Column2.
Click to reveal answer
beginner
How do you promote headers in Power BI's Power Query Editor?
You click the Use First Row as Headers button in the Home tab of Power Query Editor.
Click to reveal answer
beginner
What happens if you don't promote headers when needed?
Your columns will have default names like Column1, Column2, making it hard to understand and analyze the data.
Click to reveal answer
beginner
Can you undo header promotion in Power Query?
Yes, you can remove the step from the Applied Steps pane to revert to the original data.
Click to reveal answer
What does the 'Use First Row as Headers' button do in Power Query?
✗ Incorrect
The button promotes the first row to be the column headers, giving meaningful names to columns.
If you forget to promote headers, what will your columns be named by default?
✗ Incorrect
Without header promotion, Power Query assigns generic names like Column1, Column2.
Where do you find the 'Use First Row as Headers' option in Power BI?
✗ Incorrect
Header promotion is done in Power Query Editor under the Home tab.
Can you reverse header promotion after applying it?
✗ Incorrect
You can undo header promotion by deleting the step in the Applied Steps pane.
Why should you promote headers before doing data analysis?
✗ Incorrect
Promoting headers gives columns meaningful names, making analysis clearer and easier.
Explain what header promotion is and why it is useful in Power BI.
Think about how column names help you understand data.
You got /3 concepts.
Describe the steps to promote headers in Power Query Editor.
Look in the Home tab of Power Query Editor.
You got /4 concepts.