Re: Attribution for modeling data with relations
From: David Cressey <dcressey_at_verizon.net>
Date: Thu, 02 Mar 2006 02:36:09 GMT
Message-ID: <tSsNf.1810$%a2.154_at_trndny05>
Date: Thu, 02 Mar 2006 02:36:09 GMT
Message-ID: <tSsNf.1810$%a2.154_at_trndny05>
"dawn" <dawnwolthuis_at_gmail.com> wrote in message
news:1141232675.124053.15680_at_j33g2000cwa.googlegroups.com...
> Does anyone know to whom should we attribute the modeling of data with
I had mentioned a year or more ago that some people had used relational math
as a basis for "inference engines" before Codd's 1970 paper (and before the
> relations?
The RDM could have been, and was, implemented on a files system, as I
think the above citation shows.
A DBMS could have been, and was, built on some model other than the RDM.
Witness IMS.
Received on Thu Mar 02 2006 - 03:36:09 CET