I have a virtual server with CentOS 6.4 (Final) and Plesk 11.5.30 and I would like to increase the database size to import because right now it's only 2MB and I have to put online a website with 10MB.
Thansk again for your answer. Finally I solve it. In Plesk at the file administrator appear as I said the usr folder but I try on parallels power paner on my virtual server and appear as you mention in http://kb.odin.com/120683