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DC
Question Practice

What property must all attributes in a primary key have?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Computer Science
Computer Science
Database Concepts
Question Bank

What property must all attribu...

Single Answer MCQ
Q-00095149

What property must all attributes in a primary key have?

1

They can all be the same

2

They can accept null values

3

They must contain unique values

4

They must all be numeric

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