SQL Server COUNT() Function

Return the number of products in the "Products" table:

SELECT COUNT(ProductID) AS NumberOfProducts FROM Products;

Definition and Usage

The COUNT() function returns the number of records returned by a select query.

Note: NULL values are not counted.

COUNT(expression)

Parameter	Description
expression	Required. A field or a string value

Works in:	SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse