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:

Business Plan

A detailed document that outlines the goals, strategies, market analysis, and financial forecasts for a business.

Emotional Intelligence

The aptitude for grasping, overseeing, and expressing personal emotions, in addition to maneuvering through interpersonal dynamics with care and understanding.

Critical Thinking

The intellectual discipline of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and evaluating information to make reasoned judgments.

Conceptual Skill

The ability to understand complex situations and devise strategic solutions, critical for high-level planning and decision-making.