The Unary _______ Operation Always Results in a Relation That

question 18

Multiple Choice

The unary _______ operation always results in a relation that has exactly one more row than the original relation.

• A) insert
• B) delete
• C) update
• D) select

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Definitions:

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.

Experimental Research Design

A scientific method in which variables are manipulated and controlled to establish cause-and-effect relationships between them.

Ethical

Concerned with or relating to ethics or the standards of right and wrong behavior.

Cause and Effect

A relationship in which one event (the cause) makes another event happen (the effect).