Which of the Following Is NOT True Regarding Foreign Keys

question 45

Multiple Choice

Which of the following is NOT true regarding foreign keys?

• A)The AutoNumber data type is typically used for foreign key fields.
• B)A foreign key is a field in a table that stores a value that is the primary key in another table.
• C)It is called foreign because it identifies a record in another table.
• D)Foreign keys do not need to be unique in the table.

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Definitions:

Alkyne

A hydrocarbon that contains at least one carbon-carbon triple bond, characterized by the formula CnH2n-2.

1H NMR

A type of nuclear magnetic resonance spectroscopy focusing on the detection of hydrogen-1 isotopes, used to determine the structure of organic compounds.

KMnO4

Potassium permanganate is a chemical substance utilized as an oxidizing agent in a variety of chemical processes.

Major Organic Product

The primary product of an organic reaction, which is formed in the greatest amount.