The UNION Clause Is Used To

question 82

Multiple Choice

The UNION clause is used to:

• A) combine the output from multiple queries into a single result table.
• B) join two tables together to form one table.
• C) find all rows that do not match in two tables.
• D) find all rows that are in one table, but not the other.

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Definitions:

Adolescents

The transitional stage of physical and psychological development that generally occurs during the period from puberty to legal adulthood (age of majority).

Manic Episodes

Periods of abnormally elevated mood, energy, and activity levels that can affect one's ability to function and are characteristic of bipolar disorder.

Depressive Episodes

Periods characterized by severely depressed mood and a lack of interest in activities, which can significantly impair daily functioning.

Cyclothymia

A mood disorder characterized by periods of hypomanic symptoms followed by periods of mild depression.