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In Power BI, what happens when you remove duplicates from a table?

easy📝 Conceptual Q1 of 15
Power BI - Data Cleaning with Power Query
In Power BI, what happens when you remove duplicates from a table?
AOnly unique rows remain, duplicates are deleted
BAll rows are deleted
CDuplicates are marked but not removed
DThe table is sorted alphabetically
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of removing duplicates

    Removing duplicates means keeping only one copy of each unique row and deleting the rest.
  2. Step 2: Effect on the table

    After removing duplicates, the table contains only unique rows without any repeated data.
  3. Final Answer:

    Only unique rows remain, duplicates are deleted -> Option A
  4. Quick Check:

    Removing duplicates = Unique rows only [OK]
Quick Trick: Removing duplicates keeps only unique rows [OK]
Common Mistakes:
  • Thinking duplicates are only marked, not removed
  • Assuming the table gets sorted automatically
  • Believing all rows get deleted

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