The Advantage of Using the Substituting Foreign Keys Physical Database

question 60

Multiple Choice

The advantage of using the substituting foreign keys physical database design technique is that it is designed to ____.

• A) reduce the number of joins
• B) reduce the number of indexes
• C) reduce the number of attributes in large, clumsy keys
• D) All of the above.
• E) None of the above.

---

Definitions:

Chromosomal Abnormality

A genetic disorder resulting from a change in the number or structure of chromosomes.

Infants

Very young children or babies, typically those under one year of age.

Sex Chromosome

The chromosome involved in determining the genetic sex of an organism, typically one of two kinds: X or Y in many species including humans.

Chromosomal Abnormality

A genetic condition that results from an alteration in the number or structural arrangement of chromosomes.