Database Management
primer-original-v2easySQLPrimary KeyConstraintsprimer-original-v2

Which constraints does a PRIMARY KEY automatically enforce?

Answer options

A
NOT NULL and UNIQUE
B
UNIQUE and CHECK
C
NOT NULL and DEFAULT
D
FOREIGN KEY and UNIQUE

Correct answer: NOT NULL and UNIQUE

Explanation

Quick AnswerThe correct answer is NOT NULL and UNIQUE because it directly addresses the core logic of Database Management.

This question has been retained as-is due to its unique context.

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