In an SQL Query,which SQL Keyword Must Be Used to Remove

question 102

Multiple Choice

In an SQL query,which SQL keyword must be used to remove duplicate rows from the result table?

• A)DELETE
• B)DISTINCT
• C)NOT EXISTS
• D)UNIQUE
• E)KEY

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Definitions:

Adequate Representation

Ensuring that the sample or data set accurately reflects the larger population or phenomenon being studied, to draw valid conclusions.

Psychological Concept

An abstract idea or theory that pertains to the mind or mental processes, forming the foundation of psychological studies.

Construct Validity

The extent to which a test or instrument measures the theoretical construct or concept it is intended to measure.

Content Validity

A measure of how accurately an assessment or measurement reflects the various aspects of the specific content it is intended to cover.