Re: The Network Data Model
Date: Wed, 21 Apr 2004 17:08:01 -0300
Message-ID: <pan.2004.04.21.20.07.59.180480_at_dutra.fastmail.fm>
Em Wed, 21 Apr 2004 14:31:28 -0400, Laconic2 escreveu:
> Codd mentions the
Conventional wisdom has it that Codd invented not only the
concept of network and hierarchical data models, but the very concept
of a data model itself.
You URL points to an implementation, not a data model... would
you have a reference to Bachman or someone else having thought of a
data model before Codd?
> network data model in his classic ACM article of June 1970.
>
> The trail led back to Charles Bachman, and GE IDS. In 1963.
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Received on Wed Apr 21 2004 - 22:08:01 CEST