An aggregate function performs a calculation on a set of values, and returns a single value. Except for COUNT(*) , aggregate functions ignore null values. Aggregate functions are often used with the GROUP BY clause of the SELECT statement. ... The select list of a SELECT statement (either a subquery or an outer query).

Is mean an aggregate function in SQL?

In database management, an aggregate function or aggregation function is a function where the values of multiple rows are grouped together to form a single summary value. Common aggregate functions include: Average (i.e., arithmetic mean) Count.

Which is not an aggregate function in SQL?

1. Which of the following is not a built in aggregate function in SQL? Explanation: SQL does not include total as a built in aggregate function. The avg is used to find average, max is used to find the maximum and the count is used to count the number of values.