Performing MySQL queries with the help of AJAX

Back to AJAX! This tutorial is a reply to a question posted in Experts Exchange, and therefore it has a very specific scope. However, taking into consideration it may prove to be useful to many, I decide to share it with you all.

What this tutorial explains is how to perform asynchronously MySQL actions with AJAX, using GET variables and an external PHP page. It may sound super-complex, but it is not. As usual, I provide the full code of the script and a working demo which you can see here.

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