Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!ames!apple!voder!cullsj!gupta From: gupta@cullsj.UUCP (Yogesh Gupta) Newsgroups: comp.databases Subject: Re: Referential Integrity in commercial DBMS's? Summary: CA-DB as well. Message-ID: <689@cullsj.UUCP> Date: 13 Sep 89 21:57:49 GMT References: <5030@merlin.usc.edu> <1989Sep12.224332.585@telotech.uucp> Organization: Cullinet Software, San Jose, CA Lines: 25 In article <1989Sep12.224332.585@telotech.uucp>, bsa@telotech.UUCP (Brandon S. Allbery) writes: < In article <5030@merlin.usc.edu>, ajayshah@castor (Ajay Shah) writes: < +--------------- < | Are there non-flatfile DBMS' on the PS/PS2 platform which guarantee < | referential integrity on the scale that Unify does (i believe Unify < | has given up in the PC market after version 3.2). < +--------------- < < [...] < As for your question: in older RDBMSes, the only one that provided real < relational integrity was Sybase. < [...] < ++Brandon < -- I do not know how you define "older RDBMSes", but CA-DB (formerly known as IDMS/SQL as well as Enterprise:DB from Cullinet) has supported referential integrity since its *first*release*. CA-DB is in release 1.4 on the VAX and is about to be released in Beta on the PC. -- Yogesh Gupta. | The opinions expressed in this article Computer Associates. | are those of the author and do not | represent those of Computer Associates.