According to the "Preferably Single-Attribute" Characteristic of a Primary Key

question 24

Multiple Choice

According to the "preferably single-attribute" characteristic of a primary key, the primary key:

• A) must be able to guarantee unique attribute values.
• B) should have the minimum number of attributes possible.
• C) should have embedded semantic meaning associated with each attribute.
• D) must be composed of attributes that are free from security risks or violations.

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Definitions:

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as bacteria, viruses, parasites, and fungi.

Antigens

Molecules or substances that the immune system identifies as foreign, triggering an immune response.

Cancer Cells

Abnormal cells that divide uncontrollably and can invade nearby tissues or spread to other parts of the body through the blood and lymph systems.

Psychoneuroimmunology

The study of how psychological processes, the nervous system, and the immune system interact with each other.