Nov 18, 2025 · AVG () computes the average of a set of values by dividing the sum of those values by the count of non-null values. If the sum exceeds the maximum value for the data type of the return …

Here we use the AVG() function and the GROUP BY clause, to return the average price for each category in the Products table: You will learn more about the GROUP BY clause later in this tutorial.

Nov 22, 2025 · The AVG () function in SQL calculates the average of a numeric column. It helps identify the central value of data by ignoring NULL entries. Overall, it is a quick way to summarize large …

Aug 19, 2021 · We explain the SQL AVG function with practical examples, covering how and where you can and cannot use it.

This tutorial shows you how to use the SQL Server AVG () function to calculate the average value from a group of values.

The AVG() function returns the average value of a numeric column. The SUM() function returns the total sum of a numeric column. Below is a selection from the "Products" table in the Northwind sample …

AVG returns average value of expr. This function takes as an argument any numeric data type or any nonnumeric data type that can be implicitly converted to a numeric data type.

SQL Aggregate Functions An aggregate function is a function that performs a calculation on a set of values, and returns a single value. Aggregate functions are often used with the GROUP BY clause of …

Jun 22, 2022 · Learn various ways to calculate the average of a set of SQL Server rows using the AVG function along with several use cases and examples.

Jul 31, 2025 · Master the SQL AVG () function to calculate averages in queries, with syntax, examples, use cases, and best practices for data analysis.