What Will Be Returned When the Following SQL Statement Is

question 75

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) An error message

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Definitions:

ROM

Read-Only Memory, a type of non-volatile storage media that is programmed with data that cannot be modified, or that can only be modified slowly or with difficulty.

Cache Memory

A small-sized type of volatile computer memory that provides high-speed data access to the processor and stores frequently used computer programs, applications, and data.

Boot

The process of starting up a computer from a powered-down or off state, involving the loading and initialization of the operating system.

Innovation

The process of creating new ideas, products, or methods, often leading to improvements or significant changes in a particular field.