Re: Add Foreign Keys To Table - Mailing list pgsql-general

On Thu, 7 Jul 2011, Alan Hodgson wrote:

> It implies the composite is unique. Not sta_type.

   OK. Now I understand. How, then, do I add a unique constraint to each
component of the composite key so I can add them as foreign keys to the
station_information table? Or, is there another way to add those two columns
to station_information and then add the foreign key constraints?

Thanks for clarifying,

Rich