The only difference is that the former server is faster, it's got 3.46 GHz (3 processors) CPU but the latter server has got 1.87 GHz.

Thanks for ur comment.

I don't know if here's a correct place to answer or not but when we published the application into a host server it was working slowly. and...

Thanks for the reply

Actually, I've been far from DBA stories for long. Could you tell me if there's any straight way to find slow queries?