Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!ames!oliveb!sun!yosemite!trogers
From: trogers%yosemite@Sun.COM (Tom Rogers)
Newsgroups: comp.databases
Subject: Re: referential integrity
Message-ID: <43494@sun.uucp>
Date: 29 Feb 88 16:10:54 GMT
Sender: news@sun.uucp
Lines: 8

>TO THE NET PEOPLE:  Does anyone know what other DBMSs support
>referential integrity?
>>The only "well-known" system that I have seen that supports referential
>>integrity is the Sybase DataServer.  It does this through triggers that are
>>embedded in the database itself and activate no matter what program is
>>accessing the data.

Interbase has the same trigger facility as Sybase. SunUnify, Unify, and Cincom's
Supra all have real referential integrity that is not implemented via triggers.