Re: Pre-relational, post-relational, 1968 CODASYL "Survey of Data Base Systems"

From: Nameless <>
Date: Mon, 26 Apr 2004 20:37:38 +0200
Message-ID: <XFcjc.10162$EV2.96915_at_amstwist00>

"Ken North" wrote in message:
> "Dawn M. Wolthuis" <> wrote in message
> news:c6hbv2$6s2$
> > I've been tracking down pre-SQL database information and
> > this is most helpful.
> Try this page for a history of databases, including the 50s
> and 60s:
> > I haven't tracked ADABAS to its origins, but might that be
> > somewhere in the pre-relational?
> adabas was one of the DBMSs that complied with the CODASYL
> (network model) database standard. You can probably find the
> history at the Software AG web site.
> The 1968 survey was done in the formative years before the
> CODASYL DBTG published its standard.
> When there's time, I'll dig out the proceeedings of a
> comparative DBMS symposium we did in 1974. adabas was one of
> the systems presented at that symposium.

While you're digging, Ken, see if you have an electronic copy of the CODASYL DBTG standard. I cannot find this on the web despite extensive search. TIA.

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Received on Mon Apr 26 2004 - 20:37:38 CEST

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