Which of the Following Relational Operations Extracts Entire Columns from a Relation

question 45

Multiple Choice

Which of the following relational operations extracts entire columns from a relation?

• A) SELECT
• B) PROJECT
• C) JOIN

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Definitions:

Fraternal Twins

Siblings born at the same time as a result of two different eggs being fertilized by two different sperm.

Identical Twins

Siblings born from the same pregnancy who share all of their genetic material because they develop from a single fertilized egg that splits.

Genetic Dispositions

Natural tendencies or susceptibilities influenced by genetic factors, affecting an individual's traits or behaviors.

Temperament

Temperament refers to the basic and inherent personality traits and behaviors that individuals show, often visible from early childhood and considered to have a biological basis.