"ben brugman" <ben_at_niethier.nl> wrote in message
news:40503104$0$6567$4d4ebb8e_at_read.news.nl.uu.net...
>
> > >
> > > But then the application has to be changed.
> >
> > No, it doesn't. A simple view serves the application well.
> >
> >
>
> If a view is used (I assume a union over both tables),
> how does the application change the data from
> valid to non-valid and vice versa ?
By updating an attribute in the view or in the base table depending on which
relvars one decides to make views and which base tables.
Received on Thu Mar 11 2004 - 12:16:05 CST
