CENTRAL SCHOOL LIBRARY Observe the ER Diagram for the CENTRAL SCHOOL LIBRARY

question 71

Multiple Choice

CENTRAL SCHOOL LIBRARY
Observe the ER diagram for the CENTRAL SCHOOL LIBRARY

-How many foreign keys in the relational schema mapped from the Central School Library ER diagram serve as a component of a primary key?

• A)0
• B)1
• C)2

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Definitions:

Immune Disorders

Health conditions caused by abnormal activity of the body's immune system, either overactive, underactive, or malfunctioning.

Heart Disease

A broad term for any condition affecting the heart's structure and function.

Stressor

An environmental event or a stimulus that an organism perceives as threatening.

Major Life Stressor

Significant life events or changes that require substantial adjustments, often causing stress or difficulty.