Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!milano!cadillac!joy!speyer
From: speyer@joy.cad.mcc.com (Bruce Speyer)
Newsgroups: comp.databases
Subject: Re: Referential Integrity in commercial DBMS's?
Summary: Interbase has had it for over 3 years
Message-ID: <2823@cadillac.CAD.MCC.COM>
Date: 14 Sep 89 15:10:17 GMT
References: <5030@merlin.usc.edu> <1989Sep12.224332.585@telotech.uucp>
Sender: news@cadillac.CAD.MCC.COM
Reply-To: speyer%cad@MCC.COM (Bruce Speyer)
Organization: MCC CAD Program, Austin, TX
Lines: 14

In article <1989Sep12.224332.585@telotech.uucp> bsa@telotech.UUCP (Brandon S. Allbery) writes:
>...
>As for your question: in older RDBMSes, the only one that provided real
>relational integrity was Sybase.  I believe all of the SQL-based RDBMSes are
>adding referential integrity now; and Unify has, with Unify 2000, brought its
>relational integrity into line with the evolving standard.  (Unify's
>relational integrity was fine, but you couldn't automatically cascade a record
>(row) deletion to its children.)

I was using Interbase's referential integrity capability over 3 years ago.


Bruce Speyer / MCC CAD Program                        WORK: [512] 338-3668
3500 W. Balcones Center Dr.,  Austin, TX. 78759       ARPA: speyer@mcc.com