If you've never backed up your MySQL or MariaDB databases, now's the time. Jack Wallen shows you how to back up that data and restore it, in case your website has met an untimely demise.

Use the PHP extension for MySQL to access data from the MySQL database.

Stored Procedures Vs. Prepared Statements in PHP and MySQL. The PHP development language provides you with a "prepare" function to send a prepared statement to a SQL database.

Using a combination of PHP and MySQL functions, you can query an online database for numerical values, add them together and display the results on your Web page. You have to use the functions in ...