Which of the Following Is True of Packaged Data Models

question 57

Multiple Choice

Which of the following is true of packaged data models?

• A) Relationships are connected to the highest-level entity type in an order that makes sense.
• B) All subtype/supertype relationships follow the total specialization and disjoint rules.
• C) No entities on the many sides of a relationship can be weak.
• D) All weak entities are considered strong.

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Definitions:

Cardiac Electrical Rhythm

The pattern of electrical activity in the heart that triggers its contractions, essential for maintaining an effective heartbeat.

Chemical Activity

Relates to the rate at which a chemical substance undergoes a reaction, typically influenced by conditions like temperature and pressure.

Hemostatic

Pertaining to the stopping or controlling of bleeding.

Blood Clot

A blood clot is a gel-like mass formed by platelets and fibrin in the blood to stop bleeding and is crucial in repair processes, but can be harmful when formed inappropriately in veins or arteries.