The Database Requirement That Foreign Keys Must Be Null or Have

question 72

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) rule of keys.
• D) foreign key rule.

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Definitions:

Three-Stage Model

A framework that outlines a process or development in three distinct phases.

Dispositional Attribution

A tendency to attribute someone's behavior to internal factors, such as personality or disposition.

Cognitive Load

The total amount of mental effort being used in the working memory, influenced by the complexity and number of tasks being performed.

Conversation Perspective

An approach or viewpoint regarding how conversations unfold, focusing on the structure, purpose, and dynamics of dialogue.