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:

Acute Exposure

Short-term contact with a substance that might result in immediate harm to health or the environment.

Radioactive Substances

Radioactive substances contain unstable atoms that release radiation during their decay process, used in various applications but posing risks of exposure.

Chernobyl Site

The location in Ukraine of a catastrophic nuclear reactor accident in 1986, resulting in significant release of radioactive particles into the atmosphere.

Chronic Exposure

Prolonged exposure to a substance or environmental condition, typically at low levels, over a long period of time, potentially leading to adverse health effects.