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SQ
Question Practice

If an attribute is defined with a PRIMARY KEY and NOT NULL constraints, what does it imply?

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
Structured Query Language (SQL
Question Bank

If an attribute is defined wit...

Single Answer MCQ
Q-00095217

If an attribute is defined with a PRIMARY KEY and NOT NULL constraints, what does it imply?

1

Data can be duplicated but cannot be NULL

2

Data must be unique and not NULL

3

Data must have a default value

4

Data can be adjusted for duplicates

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