A Primary Key Should Be Null

question 77

True/False

A primary key should be null.

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Definitions:

Emails

Electronic messages sent over a network, used for personal, academic, or business communication.

Business

Commercial, professional, or industrial activities engaged in by an individual or organization for the purpose of earning a profit.

Informative Messages

Communications designed to convey specific information, details, or data with clarity and precision to the intended audience.

Positive Messages

Messages that convey optimistic and encouraging information, fostering a favorable perception.