A. Single field
B. Multiple fields (Composite key)
C. Both A and B
D. None
🧠Explanation:
Primary key can be single or combination of fields.
Free MCQs for FPSC, NTS, PPSC, PMS, CSS & All Pakistan Exams 2026
A. Single field
B. Multiple fields (Composite key)
C. Both A and B
D. None
🧠Explanation:
Primary key can be single or combination of fields.