Re: Does Codd's view of a relational database differ from that ofDate&Darwin?[M.Gittens]
Date: Thu, 23 Jun 2005 16:05:59 +0200
On Thu, 23 Jun 2005 15:33:07 +0200, Jon Heggland <heggland_at_idi.ntnu.no> wrote:
>I might agree that the model presented as a "pure object-oriented
>database model" in the paper you mentioned is slightly different from
>the (most common interpretations of the) network data model.
In what they differ?
>(Another point is the question of what "OO" in that context really
>means---the paper does not mention encapsulation, polymorphism or
It usually means user defined type support. OODBMS are network DBMS with some user defined type support.
A thing :)
Regards Received on Thu Jun 23 2005 - 16:05:59 CEST