Michelle Tells Malia That a Primary Key Is a Field

question 17

Multiple Choice

Michelle tells Malia that a primary key is a field or combination of fields that uniquely and minimally identifies a particular entity. She explains that there may be a choice of fields or field combinations to use as the primary key. What is the term used for a possible primary key?

• A)candidate key
• B)concatenated key
• C)foreign key
• D)secondary key

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Definitions:

Health Care System

An organized framework that provides medical services to people, including preventative care, diagnosis, treatment, and management of illness and disease.

Medical Researchers

Professionals who conduct studies and experiments pertaining to health and medicine to improve knowledge, treatments, and outcomes in healthcare.

Diagnostic Equipment

Tools and devices used in the medical field to identify diseases and conditions in patients, aiding in the assessment and diagnosis process.

Placebo Effect

Is the positive influence on healing of strong belief in the effectiveness of a cure.