Explain the Difference Between a Primary Key and a Foreign

question 85

Essay

Explain the difference between a primary key and a foreign key.

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Definitions:

Suicidal Ideation

The occurrence of thoughts or contemplations about self-harm or ending one's life.

DSM-IV

The fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, a handbook used by healthcare professionals as a guide to diagnosing mental disorders.

Validity Scale

A validity scale assesses the accuracy and truthfulness of test responses to ensure the results are meaningful and reliable.

F (Infrequency)

A scale or measure used in psychological testing to identify rare or unusual responses in self-report assessments, indicating possible attempt to distort or fake responses.