In Many-To-Many Relationships in a Relational Database Design,the Primary Keys

question 59

True/False

In many-to-many relationships in a relational database design,the primary keys of both tables are joined into a composite primary key in the intersection table.

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Definitions:

Physician

A professional who practices medicine, which involves promoting, maintaining or restoring health through the study, diagnosis, prognosis, and treatment of disease, injury, and other physical and mental impairments.

Physical Symptoms

Observable or tangible signs of a condition or disease, such as pain, fever, or a rash, in contrast to psychological symptoms.

Conversion Disorder

A mental condition in which a person experiences neurological symptoms, such as blindness or paralysis, without a physical cause, believed to result from psychological stress or conflict.

Blindness

The state or condition of being unable to see due to injury, disease, or a congenital condition.