What Is the Main Purpose of Using Foreign Keys in a Relational

question 23

Short Answer

What is the main purpose of using foreign keys in a relational database design?
A. It provides useful financial data value in the table.
B. It is required in all tables.
C. It is used to link tables.
D. None of the above is correct.

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Definitions:

Simon LeVay

A neuroscientist known for his research on brain structures and their relation to sexual orientation.

Sexual Orientation

A person's emotional, romantic, and sexual attraction towards others, which can vary across a spectrum including homosexual, heterosexual, bisexual, asexual, among others.

Genetic Influence

The contribution of genes inherited from parents to the physical and behavioral characteristics of an individual.

Gender Identity

An individual's personal sense of their own gender, which may or may not correspond to the sex they were assigned at birth.