Aye, there are SQL upgrade scripts in there that allow you to upgrade your database structure in a stepped manner.
Now BEFORE you even do that...make sure you back up your database! There have been issues upgrading (once in a blue moon)...better to be safe than sorry.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.