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Figuer:
CUSTOMER In table CUSTOMER, CID is the primary key (Customer ID) .
RENTALS In the table RENTALS, RTN provides the rental number (the primary key) , CID is the customer's unique id, PICKUP is the city where the car was picked up, and Return is the city where the car was returned.
RENTCOST RENTCOST 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) shown in table RENTALS. In a database used in reality, this table would be merged with the RENTALS table.
-SELECT CID,CNAME FROM CUSTOMER WHERE CID NOT IN
(SELECT CID FROM RENTALS)
The execution of this query produces the following number of rows:
Ecclesia
An organized, often state-supported religion or church that claims a majority of the population as its members or adherents.
Religious Involvement
The extent to which individuals engage in practices, rituals, and activities associated with a religion, which can influence their personal lives, values, and community engagement.
Age
A measure of the amount of time an individual has lived, typically expressed in years.
Increases
The action or process of becoming larger or greater in size, quantity, intensity, or degree.
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