Which of the Following Specifies That Each Instance of an Entity

question 42

Multiple Choice

Which of the following specifies that each instance of an entity type must have a unique identifier that is not null?

• A)referential integrity constraints
• B)triggering operations
• C)entity integrity
• D)domains

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Definitions:

Peripheral Nervous System

The peripheral nervous system consists of the nerves and ganglia outside of the brain and spinal cord, responsible for transmitting information to and from the central nervous system.

Scent

A distinctive smell, especially one that is pleasant or that is used by animals or humans for communication or attraction.

Bilaterally Symmetrical

Refers to a form of symmetry where the body is divided into equal left and right halves.

Evolutionary Advances

Innovations or developments within organisms over time that enhance survival, reproduction, or adaptation to environmental changes.