What are three aggregate functions?

What are some examples of aggregate functions?

Aggregate functionDescriptionMINThe MIN() aggregate function returns the lowest value (minimum) in a set of non-NULL values.STDEVThe STDEV() function returns the statistical standard deviation of all values provided in the expression based on a sample of the data population.

How many types of aggregate functions are there?

SQL aggregate functions return information about the data in a database. AVG, for instance, returns the average of the values in a database column. There are five aggregate functions, which are: MIN, MAX, COUNT, SUM, and AVG.

What is aggregate function and its types?

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.

What are aggregate function functions?

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. All aggregate functions are deterministic.