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What does the ISBLANK() function do in Power BI?

easy📝 Conceptual Q11 of 15
Power BI - Data Cleaning with Power Query
What does the ISBLANK() function do in Power BI?
AIt checks if a value is blank or missing.
BIt replaces blank values with zero.
CIt sums all blank values in a column.
DIt converts blank values to text.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of ISBLANK()

    The ISBLANK() function tests if a value is blank or missing in Power BI.

  2. Step 2: Compare with other options

    Replacing, summing, or converting blanks are not what ISBLANK() does; it only checks for blanks.

  3. Final Answer:

    It checks if a value is blank or missing. -> Option A

  4. Quick Check:

    ISBLANK() detects blanks = D [OK]
Quick Trick: ISBLANK() tells if a value is empty or missing [OK]
Common Mistakes:
  • Thinking ISBLANK() replaces blanks
  • Confusing ISBLANK() with SUM or COUNT
  • Assuming ISBLANK() changes data type

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