In a hospital, a patient file stores name, disease, date of admission, room number, bed number, as information. Which should be the primary key in…

In a hospital, a patient file stores name, disease, date of admission, room number, bed number, as information. Which should be the primary key in this case?

  1. a) Name
  2. b) Date of admission
  3. c) Disease
  4. d) None of the above

From the BCS Technical Cadre (ICT) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 73 of 106.

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