A(n)____ Is a System-Generated Primary Key That Is Usually Hidden

question 72

Multiple Choice

A(n) ____ is a system-generated primary key that is usually hidden from users.​

• A) ​weak entity
• B) ​surrogate key
• C) ​natural key
• D) ​artificial key

---

Definitions:

Sense Receptors

Specialized cells that convert physical energy in the environment or the body to electrical energy that can be transmitted as nerve impulses to the brain.

Stimulus Energy

The physical energy from the environment that impacts sensory organs, leading to perception.

Electromagnetic Energy

Refers to a form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space.

Ultraviolet Light

A type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays.