Doug McNaught <doug(at)mcnaught(dot)org> writes:
> I would put an AFTER trigger on all the tables concerned that
> inserts a row into an audit table. [...] Audit tables are useful for
> other things too, if you can afford them.
I think auditing is much too heavy for something simple as finding the
last modification timestamp. Yes, it may be the only alternative, but
a heavy one...
-- Johan