Why Do Relational Databases Use Primary Keys and Foreign Keys

question 127

Multiple Choice

Why do relational databases use primary keys and foreign keys?

• A) To create an entity.
• B) To create physical relationships.
• C) To create logical relationships.
• D) To create an attribute.

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Definitions:

Monthly Memory Tests

Periodic assessments conducted every month to evaluate an individual's memory retention and recall abilities.

First-Time

Experiencing, encountering, or undergoing something for the very first time.

Specific Recollections

The act of remembering and recounting detailed memories from specific events in one's past.