What Is a Primary Key

question 41

Multiple Choice

What is a primary key?

• A) A field (or group of fields) that uniquely identifies a given record in a table.
• B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• C) Characteristics or properties of an entity.
• D) A field (or group of fields) that uniquely identifies a given attribute in a table.

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Definitions:

Wellness Programs

Organized and coordinated programs that aim to enhance the physical, mental, and social well-being of individuals or employees.

Preventable Illnesses

Diseases that can be avoided through measures like vaccination, healthy lifestyle choices, and early detection.

Sedentary Lifestyles

A way of life that involves little physical activity and is characterized by much sitting or lying down, leading to health risks.

Hardy Personality

Refers to individuals who possess traits of resilience, commitment, control, and challenge, allowing them to handle stress better.