Which function is considered an aggregate function?

Aggregate functionsperform calculationson a set of values and return asingle result.MAX()is one such function, returning thelargest value in a column.

Common Aggregate Functions:

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Example Usage:

sql

SELECT MAX(Salary) FROM Employees;

Retrieves thehighest salaryin the Employees table.

Why Other Options Are Incorrect:

Option B (TRIM) (Incorrect):Removes spaces from strings butis not an aggregate function.

Option C (ABS) (Incorrect):Returns theabsolute value of a numberbut doesnot aggregate multiple rows.

Option D (DESC) (Incorrect):Used in ORDER BY forsorting in descending order,not for aggregation.

Thus, the correct answer isMAX(), as it is atrue aggregate function.