Q. Which function is used to merge two DataFrames on a key column?

  • (A) concat()
  • (B) merge()
  • (C) join()
  • (D) combine()
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✅ Correct Answer: (B) merge()
Explanation: merge() combines two DataFrames based on common columns or indices, similar to SQL joins.

Published by Sikhar Chaudhary ⭐ 6.79K Points at 06-Oct-2025 06:55 am in Pandas

Explanation by: Sikhar Chaudhary
merge() combines two DataFrames based on common columns or indices, similar to SQL joins.

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