В Срд, 18.08.2004, в 15:33, Jan Wieck пишет:
> Meaning that not enforcing the uniqueness of those columns isn't an
> option.
The thing is that the columns _are_ unique, there's just no unique
constraint on them. They are unique because there's a unique constraint
on a subset of these columns. So no additional uniqueness enforcing
needed.
--
Markus Bertheau <twanger@bluetwanger.de>