An Attribute in a Table That Serves as a Unique

question 87

Multiple Choice

An attribute in a table that serves as a unique identifier in another table and is used to link the two tables is a

• A)foreign key.
• B)primary key.
• C)relational key.
• D)linkage key.

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Definitions:

Atomic Symbol

A one or two-letter abbreviation representing a chemical element, derived from its English or Latin name.

Atomic Symbol

A one or two-letter notation used to represent an element on the periodic table.

Bismuth

Bismuth is a chemical element with symbol Bi and atomic number 83, known for its low toxicity and use in cosmetics and medical procedures.

Gallium

A chemical element with symbol Ga and atomic number 31, known for its low melting point.