"Karel van der Walt" <karelvdwalt_at_webmail.co.za> wrote in message
news:e743ac89.0409290218.29d91d97_at_posting.google.com...
> For me the novel thing was that ER model was originally proposed as
> yet another logical i.e. representational model. The use of ER as
> conceptual i.e. semantic model with mappings to the prevalent logical
> models of relational, hierarchical and network, only followed later.
>
> Another conceptual model would be ORM.
>
> hth
> k
Received on Wed Sep 29 2004 - 06:47:02 CDT
