A Unique Identifier Also Is Called a Primary Key

question 13

True/False

A unique identifier also is called a primary key.

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Definitions:

Facial Expressions

Visible changes in the facial muscles that convey an individual's emotional state to others.

Facial Feedback Effect

The hypothesis that facial movements can influence emotional experiences.

Empathy

The ability to understand and share the feelings of another person from their perspective, essentially putting oneself in another's shoes.

Facial Feedback Effect

The facial feedback effect is the hypothesis that facial movements can influence emotional experiences, suggesting that smiling can make individuals feel happier.