Multiple Choice
Match the database integrity rule to the appropriate definition.
-Rule 1: Entity Integrity
A) Each record in the database must have a unique identifier called a primary key.
B) Data referenced and stored in related tables must be consistent across the database.
C) The field values must be from a predefined domain.
D) The primary key value cannot be null (empty) .
Correct Answer:
Verified
Correct Answer:
Verified
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