MySQL SUM Function The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable.

This brief tutorial will show you how to use a PHP 5.x MySQL extension called, MySQL Improved, to implement MySQL-based transactions with PHP.

You must connect to the database and use the "mysql_query" function to call a MySQL stored procedure from a PHP page.

Learn how to access a MySQL database from the Web using PHP, including how to read from and write to the database and how to filter potentially troublesome input data. Previously, in our work with ...