DB linkage

[H. Olthof]

> 
> -----
>    There is a very solid DATABASE linkage in GRASS with the db tools.
>    DB tools works with Informix, Oracle and Ingress at last count and
>    fully implements the "geo-relational" model.  I don't want to carp
>   
>
> 
> 
> -- 
> W. Fredrick Limp,   Director                     FAX: (501) 575-3846
> CAST, Center for Advanced Spatial Technologies   TEL: (501) 575-6159     
> 12 Ozark Hall, University of Arkansas         
> Fayetteville AR 72701                             fred at cast.uark.edu 
> 

Could someone tell me where I can find this linkage with Ingres and what it consists of? 



Harm Olthof
holthof at ecnsun.ecn.nl