Which of the Following Statements Best Describes the Entity Integrity

question 18

Multiple Choice

Which of the following statements best describes the entity integrity rule?

• A)A database entity must fit within the REA model.
• B)A record's foreign key value must be null.
• C)A record's primary key must have a data value.
• D)All values of an attribute must be of the same data type.

Identify strategies for tailoring products and services to meet customer needs.

Understand the implications of innovation for environmental sustainability and social responsibility.

Understand the eligibility and basic conditions for receiving Social Security retirement benefits.

Comprehend the impact of retirement on personal finances, including work-related expenses and medical expenditures.

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Definitions:

Diabetes

A chronic condition characterized by elevated blood sugar levels due to the body's inability to produce or effectively use insulin.

Hygiene Care

Practices aimed at maintaining cleanliness and promoting health, including personal grooming and environmental cleanliness.

Overperfusion

A condition characterized by an excessive amount of blood flow to a tissue, which can lead to various adverse effects, contrasting with hypoperfusion where there is insufficient blood flow.

Cast

A protective shell of plaster or fiberglass molded around a broken bone to immobilize it during healing.