Please post DDL and sample data as insert statements so we can have something to test on. You should post expected results based on that sample data.
Otherwise, I'm not sure you'll get good responses.
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