Maria Creates a Relational Database to Keep Track of Cars

question 22

Multiple Choice

Maria creates a relational database to keep track of cars in her repair shop. She stores information about each car in the "vehicle" table, and creates a column labeled "vehicle_ID" where she stores the vehicle VIN number. The "vehicle_ID" column is referred to as a ________.

• A) primary key
• B) key attribute
• C) foreign key
• D) functionally dependent record
• E) secondary key

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Definitions:

Motor Neuron

A type of nerve cell that transmits signals from the brain and spinal cord to muscles, stimulating them to contract.

Effector Organ

An organ or tissue that reacts to a stimulus from the nervous system to produce a specific response.

Cauda Equina

The cauda equina is a bundle of spinal nerves and spinal nerve rootlets below the end of the spinal cord, resembling a horse's tail, which distributes nerve roots to the lower limbs and pelvic organs.

Filium Terminale

The filium terminale is a slender filament of connective tissue that extends from the conus medullaris at the lower end of the spinal cord to the coccyx, anchoring the spinal cord in place.