Which key is known as the minimal super key?

Which key is known as the minimal super key?

  1. a) Primary key
  2. b) Secondary key
  3. c) Foreign key
  4. d) Candidate key

From the BCS Technical Cadre (ICT) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 10 of 106.

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