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What Is the ROLLUP Extension to the GROUP BY Clause

question 20

Essay

What is the ROLLUP extension to the GROUP BY clause? Provide the syntax for this extension.


Definitions:

Dreams

A series of thoughts, images, and sensations occurring in a person's mind during sleep, often reflecting unconscious desires and conflicts.

Conscious Desires

Wishes or wants that individuals are aware of and can articulate or express.

Hidden Conflicts

Psychological struggles or disagreements that reside below the conscious level and may manifest through various behaviors or psychological symptoms.

Patients

Individuals receiving medical treatment or therapy, especially those under the care of a psychiatrist or psychologist in the context of mental health.

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