MySQL COUNT() Function

Posted by

MySQL

COUNT()

Function

Example

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.

Syntax

COUNT(

expression

)

Parameter Values

Parameter Description

expression
Required. A field or a string value

Technical Details

Works in: From MySQL 4.0