Re: DTD: Possible missing attributes/entities - Was: revised gda-xml-query.dtd

[Rodrigo Moya <rodrigo linuxave net>]

Vivien Malerba wrote:
> 
> On mer, 26 jui 2000, you wrote:
> > Sorry if this is old ground, but I'm new to the list.
> > Various wrote:
> > > > My idea about the DATABASE DTD is to include on it information about all
> > > > the objects contained in a database, so that you can use it to
> > > > import/export data as well as to design a database in the db designer
> > > > and then create it for a given DBMS. An example of this:
> > > >
> > > > <DATABASE>
> > > >   <TABLE NAME="table1" OWNER="me">
> > (snip)
> > > >   </TABLE>
> > > > </DATABASE>
> > What about the case where a table is NOT accessible directly,
> > but is indirectly accessible via the database you are connecting
> > to ?
> 
> Can you describe that, I don't understand what it is (I'm not an Oracle user).
> Is that more or less like a view?
> 
a link is an object which references a table in another database, so
that, when you "SELECT * FROM link" what you're doing is to get data
from another database. Similarly, the same happens when you UPDATE or
INSERT.