What Is a Foreign Key

question 16

Multiple Choice

What is a foreign key?

• A)A field that uniquely identifies a given record in a table.
• B)A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• C)A table that uniquely identifies a given record in a field.
• D)A foreign key of one table that appears as an entity in another table and acts to provide a logical relationship between the two records.

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Definitions:

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Sexual activity that occurs without the expectation of a committed relationship.

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The degree to which one finds their romantic partner's appearance to be appealing, which can influence relationship satisfaction and dynamics.

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A phenomenon related to sexual orientation, suggesting that a male's likelihood of being homosexual increases with the number of older brothers he has.

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The reaction of a mother's immune system to foreign substances, which can affect pregnancy, fetal development, and the health of the newborn.