Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!cica!gatech!mcnc!rti!slc
From: slc@rti.UUCP (Lynn Cohen)
Newsgroups: comp.databases
Subject: Ingres and referential integrities
Keywords: Ingres referential integrities
Message-ID: <3081@rti.UUCP>
Date: 20 Jul 89 21:21:30 GMT
Distribution: comp
Organization: Research Triangle Institute, RTP, NC
Lines: 7

I'm curious as to why Ingres doesn't provide referential integrities.
I'm aware that you can build in referential constraints through QBF
and VIFRED but not as part of the data definition. Does anyone know
why Ingres chose not to provide this part of the relational model?

Thanks,
Lynn