MySQL COUNT() Function
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 in a select query.
Syntax
COUNT(expression)Note: If a record in the expression contains a NULL value, it is not included in the COUNT() calculation.
Parameter Values
| Parameter | Description |
|---|---|
| expression | Required. A field or a string value |
Technical Details
| Works in: | MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23 |
|---|
