Why Do Relational Databases Use Primary Keys and Foreign Keys

question 14

Multiple Choice

Why do relational databases use primary keys and foreign keys?

• A) To create a database.
• B) To create physical relationships.
• C) To create logical relationships.
• D) All of these.

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Definitions:

Legitimate Power Base

A source of influence based on the formal authority one holds within an organization's structure or society's laws.

Emulate

To mimic or imitate with the intent of matching or surpassing the original.

Believe In

To have confidence or faith in the truth, existence, or reliability of something, often without absolute proof.

Informal Power Base

Influence and authority gained through personal connections, charisma, or knowledge, rather than through formal position or role.