> do you mean that, declaring an index serial, I'd never have to deal with
> incrementing its primary key? good to know!
Yep. You can use 'DEFAULT' as the value, eg:
INSERT INTO blah (DEFAULT, ...);
> anyway in this particular situation I don't need such accurate
> behaviour: this table is filled up with a lot of data twice per week and
> it's used only to answer queries.
> I could drop it whenever I want :)
Sure.
Chris