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CUSTOMER
RENTALS
In the table RENTALS, Rtn provides the rental number (the primary key., Cname refers to the Cname in Customer, Pickup is the city where the car was picked up, and Return is the city where the car was returned.
RENTCOST
In RENTCOST, COST shows the base cost of renting a given MAKE for one day.
CITYADJ
If the return city of table RENTALS is the one listed in table CITYADJ, the cost of the rental is multiplied by FACTOR and by DAYS shown in table RENTLENGTH below.
RENTLENGTH
RENTLENGTH shows the number of DAYS for the rental number (RTN) of the table RENTALS (this table exists for the sake of testing SQL. Normally, the data here should be part of table RENTALS.
-The execution of the command SELECT * FROM CUSTOMER
Will produce the following number of columns:
Semicircular Canals
Structures within the inner ear that are key components of the vestibular system, helping to maintain balance and spatial orientation.
Retinal Disparity
A binocular cue for perceiving depth based on the slight difference in the visual images that each eye perceives because of their different angles.
Cochlear Implants
A medical device that partially restores hearing by bypassing damaged portions of the ear and directly stimulating the auditory nerve.
Phantom Limb Sensations
The perception of sensations, often painful, in a limb that has been amputated.
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