A Data Model Is the Diagrammatic Representation of a Database

question 6

Multiple Choice

A data model is the diagrammatic representation of a database that clearly defines a database's ___ , ____ and ____.

• A) Entities, attributes, relationships.
• B) Entity classes, hierarchy, files.
• C) Data hierarchy, data attributes, data files.
• D) Entity classes, entity attributes, entity files.

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Definitions:

Illness Anxiety Disorder

A disorder characterized by excessive concern about having a serious illness, despite few or no medical symptoms.

Cognitive-Behavioral

Regarding a curative technique aimed at managing unhealthy emotions, activities, and perceptions through a directed, methodical plan.

Medical Attention

Professional healthcare provided to diagnose, treat, or prevent illness, injury, and other physical and mental impairments in individuals.

Insomnia

A common sleep disorder that involves difficulty falling asleep, staying asleep, or getting restorative sleep.