MySQL COUNT() Function

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Example

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

SELECT COUNT(ProductID) AS NumberOfProducts FROM Products;
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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

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