Explain the Difference Between a Primary Key and a Foreign

question 85

Essay

Explain the difference between a primary key and a foreign key.

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Definitions:

Bipolar Cells

A type of neuron in the retina that plays a role in transmitting visual signals from the photoreceptors to ganglion cells.

Receptors

Specialized cells or proteins in the body that detect and respond to stimuli, such as light, sound, or chemicals.

Low-Intensity Light

Light that has a lower brightness level compared to the standard or expected intensity.

Visual Acuity

A measure of the clarity or sharpness of vision, typically assessed by one's ability to identify letters or numbers at a standardized distance.