Which of the Following Is True of a Data Model

question 42

Multiple Choice

Which of the following is true of a data model?

• A) It is created after the database is designed.
• B) It is an attribute whose value is associated with only one entity instance.
• C) It is a logical representation of the structure of data.
• D) It does not describe the relationships among data.

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Definitions:

Injury By Accident

Harm or damage that occurs unintentionally as a result of an unexpected event or incident.

HIV/AIDS

Human Immunodeficiency Virus (HIV) is a virus that attacks the immune system, and AIDS (Acquired Immunodeficiency Syndrome) is the most advanced stage of HIV infection.

Respiratory Infections

Illnesses caused by viruses or bacteria that affect the lungs, throat, or sinuses, leading to symptoms such as coughing, sneezing, and fever.

Vaccination Rates

The percentage of a population that has received specific vaccines within a given timeframe.