On Wed, Jun 18, 2008 at 11:04 AM, Dave Coventry <dgcoventry(at)gmail(dot)com> wrote:
[...]
> The marks (or grades) of the students are a different matter and we
> want to restrict changes to this data to a very few people.
>
How about setting up separate database users/groups (aka roles in
newer postgresql versions), and only granting update permissions to
the users/groups who should have it?
David.