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

"Ken North" wrote in message:
news:c6hl1k$bhe$1_at_ngspool-d02.news.aol.com...
> "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> news:c6hbv2$6s2$1_at_news.netins.net...
>
> > 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:
> http://ourworld.compuserve.com/homepages/Ken_North/db_hall.htm
>
> > 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.

-- 
Mail sent to this email address is automatically deleted
(unread) on the server. Send replies to the newsgroup.