A Relation's Primary Key Field Can Have Non-Unique Values

question 47

True/False

A relation's primary key field can have non-unique values.

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Definitions:

Egypt

A country in Northeast Africa, known for its ancient civilization, pyramids, and the Nile River.

Emergent Norm Theory

A theory that suggests norms or behaviors emerge spontaneously in groups in response to shared emotions or events.

Collective Behavior

Behavior that is enacted by a group of people who are acting together, but not necessarily as a result of planning or coordination.

Reformist Movement

A reformist movement seeks to enact change within an existing system, advocating for improvements or corrections without calling for the overthrow of the system itself.