The Database Requirement That Foreign Keys Must Be Null or Have

question 62

Multiple Choice

The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the

• A)entity integrity rule.
• B)referential integrity rule.
• C)unique primary key rule.
• D)foreign key rule.

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Definitions:

Transactional Perspective

A viewpoint emphasizing the exchanges between individuals and their environment, often used in understanding human behavior.

Transformational Perspective

An approach that emphasizes the ongoing, dynamic process of change, innovation, and evolution in organizations, individuals, or societies.

Charismatic Leadership

A leadership style characterized by the leader's ability to inspire and motivate followers through personal charm and persuasion.

Transformational Leadership

Leadership approach that causes change in individuals and social systems, enhancing motivation, morale, and performance.