thank you for your reply...so you're saying ubb doesn't use mysql at all? what about the database for the usernames etc?
I never said that.
It does use mysql
The current UBB version or I should say the 7X series is already compatible with MYSql version 5 as well as php 5.
PHP 4.3+
MySQL 4 or 5
As noted at:
https://www.ubbcentral.com/Look on the left side of the page for requirements.