On 06/09/2014 09:06 AM, Gavin Flower wrote: > From memory all unique keys can be considered 'candidate primary keys', > but only one can be designated 'the PRIMARY KEY'.
Almost. Candidate keys are also NOT NULL. -- Vik -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
