You can buy the extra edition or even use the free lite-c edition and buy my ANet Proffessional plugin. It offers you the possiblity to use http post. This way you can call a php script that does all the mysql stuff for you. This is more secure then the direct access to the database.

php is very easy and the syntax is almost the same. All you need to know is how you can connect with a mysql database and therefor you will only need 3-5 lines of code.

So if you use the lite-c free edition, the whole thing will cost you only 90€. And ANet additionally offers you much more multiplayer features like VoIP, FTP,... For more informations look into the link of my signature.