It's exhausting to write translated posts. I hope I'm not saying any nonsense as I'm a bit outside my common knowledge (referring to DBA tasks, not Spanish :-D).
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2