Which of the Following States the Rule of Entity Integrity

question 22

Multiple Choice

Which of the following states the Rule of Entity Integrity?

• A) Every row must have a value for the primary key and each value must be unique.
• B) Every foreign key must appear as another table's primary key.
• C) Every row must have a value for the primary key and values may be repeated.
• D) None of the above.

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Definitions:

Stakeholders

Individuals or groups with an interest in the success and outcomes of an organization, project, or endeavor, because they are impacted by or can impact the achievement of the organization's objectives.

Conjunction Error

A cognitive bias that arises when people estimate the combination of two events to be more likely than one of the events in isolation.

Weather Forecaster

An individual or system that predicts the weather conditions using data from various sources, including satellite imagery, atmospheric conditions, and computer models.

Hot and Humid

Hot and humid refers to weather conditions characterized by high temperatures and high levels of moisture in the air, often causing discomfort.