Foreign superkey support
From: Jon Heggland <jon.heggland_at_idi.ntnu.no>
Date: Mon, 07 Aug 2006 14:14:55 +0200
Message-ID: <eb7ao5$vn3$1_at_orkan.itea.ntnu.no>
Are there any DMBSs apart from Dataphor that support foreign superkeys without undue hassle? SQL systems support them in that a superkey may be declared UNIQUE, and thus referred to by a foreign key, but I'm looking for more explicit support.
Date: Mon, 07 Aug 2006 14:14:55 +0200
Message-ID: <eb7ao5$vn3$1_at_orkan.itea.ntnu.no>
Are there any DMBSs apart from Dataphor that support foreign superkeys without undue hassle? SQL systems support them in that a superkey may be declared UNIQUE, and thus referred to by a foreign key, but I'm looking for more explicit support.
-- JonReceived on Mon Aug 07 2006 - 14:14:55 CEST