What Is the Term for the Letter S or the Letter

question 2

Multiple Choice

What is the term for the letter S or the letter D in the following query? ​
SELECT S.SERVER_ID, S.LAST_NAME, D.DINER_ID, D.LAST_NAME
FROM SERVER S, DINER D
WHERE (S.SERVER_ID = D.SERVER_ID)

• A) alias
• B) operator
• C) qualifier
• D) set

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Definitions:

Nuclear

Pertaining to the nucleus of an atom, involving energy released from nuclear reactions, including fission and fusion processes.

Philippe Ariès

A French historian who is best known for his work on the history of childhood and family life.

Industrialized Cities

Urban areas that have undergone industrialization, characterized by the presence of factories, technological advancement, and high population density.

Rural Areas

Describes regions that are located outside towns and cities, often characterized by small populations and largely agricultural-based economies.