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SQL AVG() Function


The AVG() Function

The AVG() function returns the average value of a numeric column.

SQL AVG() Syntax

SELECT AVG(column_name) FROM table_name

Demo Database

In this tutorial we will use the well-known Northwind sample database.

Below is a selection from the "Products" table:

ProductID ProductName SupplierID CategoryID Unit Price
1 Chais 1 1 10 boxes x 20 bags 18
2 Chang 1 1 24 - 12 oz bottles 19
3 Aniseed Syrup 1 2 12 - 550 ml bottles 10
4 Chef Anton's Cajun Seasoning 2 2 48 - 6 oz jars 21.35
5 Chef Anton's Gumbo Mix 2 2 36 boxes 25

SQL AVG() Example

The following SQL statement gets the average value of the "Price" column from the "Products" table:

Example

SELECT AVG(Price) AS PriceAverage FROM Products;

Try it yourself »

The following SQL statement selects the "ProductName" and "Price" records that have an above average price:

Example

SELECT ProductName, Price FROM Products
WHERE Price>(SELECT AVG(Price) FROM Products);

Try it yourself »


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