Definitions for "Aggregate functions"
Keywords:  avg, max, min, summarize, count
See Group Functions.
An operation that summarizes data (sums, calculates an average, identifies a maximum value, etc.). The term "Aggregate functions" is often associated with SQL data sources.
Functions that operate on the collection of values in a certain column. These operations include such things as SUM, COUNT, AVG, MAX, and so on.