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PPSC Past Paper 2026 (Computer Operator)
PPSC · 2025 · Practice with instant answers and explanations
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100 Past Paper MCQs
Question 45 of 100
45%
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Question
45
Past Paper
PPSC
A foreign key is:
A
A column containing the primary key of another table
B
Used to define a data type
C
Used to define null status
D
A key used for encryption
Correct Answer:
Option A — A column containing the primary key of another table
Explanation:
A foreign key stores values that reference the primary key of another table.
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