Update from Stewart 20120622: the dbadmin says that the originating request is supposed to go through helpdesk@uvic.ca, who forwards it on to dbadmin@uvic.ca.

• Your affiliation with UVic (Faculty/Staff, etc)
• Your department
• Which netlink Id is associated with this database
• The database name (must be of the form netlink_whatever)
• Whether or not you will be using drupal for this instance.

As per my correspondence with sysadmin@uvic.ca, all MySQL-related support requests/questions should be sent to dbadmin@uvic.ca rather than sysadmin@uvic.ca:

Hi Jamie,
The unix sysadmin no longer handles MySQL requests, these should be set
to dbadmin@uvic.ca, if you resend this email to that address it will
find it's way into the correct queue of our ticketing systems


Thanks
Hendrik

Not sure whether he actually means only MySQL, or whether PostgreSQL falls under this new support email as well.