An aggregate function is _____.

A) a function that calculates a statistic such as a subtotal or average
B) a mathematical expression, such as [Qty]*[UnitsSold]
C) a way to group records, such as by state or postal code
D) a way to test the accuracy of data

Aggregate Function

In programming and database management, a function that performs a calculation on a set of values and returns a single value.

Mathematical Expression

A combination of numbers, symbols, and operators that represent a specific value or relationship.

Group Records

The operation of organizing data records into categories or groups based on shared characteristics in database management.