What Will Be Returned When the Following SQL Statement Is

question 12

Multiple Choice

What will be returned when the following SQL statement is executed?
Select driver_no,count(*) as num_deliveries
From deliveries
Group by driver_no;

• A) A listing of all drivers, sorted by driver number
• B) A listing of each driver as well as the number of deliveries that he or she has made
• C) A count of all of the deliveries made by all drivers
• D) None of the above

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Definitions:

Increasing-Cost Industry

An industry where the costs of production increase as output increases, often due to factors like resource depletion or higher input prices.

Long-Run Supply Curve

A curve showing the relationship between the price of a good and the quantity supplied over a period long enough for firms to enter or exit the market.

Perfectly Elastic

Refers to a situation in economic theory where a small change in price leads to an infinite quantity demanded or supplied.

Increasing-Cost Industry

An industry in which the cost of production per unit increases as the total output of the industry increases, typically due to resource limitations or regulatory costs.