> I'm attempting to add roles to my database, to base user default
> types on. However, when I grant a role to a user, it appears to not
> take effect, and the user doesn't have permission to the table that
> the role has permission to.

You need to specify the role when connecting to database.
(which also means that only one role can be active at a time)

Ivan
http://www.volny.cz/iprenosil/interbase