What are the 6 aggregate functions of SQL?

What are aggregate functions in SQL?

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.

How many aggregate functions are available in SQL?

There are five aggregate functions, which are: MIN, MAX, COUNT, SUM, and AVG.

What are different aggregate functions?

In database management an aggregate function is a function where the values of multiple rows are grouped together as input on certain criteria to form a single value of more significant meaning. Count(): Count(*): Returns total number of records .

What are aggregate functions in SQL give 3 examples?

The following are the commonly used SQL aggregate functions:AVG() – returns the average of a set.COUNT() – returns the number of items in a set.MAX() – returns the maximum value in a set.MIN() – returns the minimum value in a set.SUM() – returns the sum of all or distinct values in a set.SQL Aggregate Functions