"Jaime Casanova" <jcasa...@systemguards.com.ec> writes: > what i still doesn't understand is why we need a third value at all?
There are cases for wanting all three. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers