Re: Dreaming About Redesigning SQL
Date: Mon, 27 Oct 2003 08:31:00 -0800
Message-ID: <sUbnb.19$nM4.107_at_news.oracle.com>
"Bob Badour" <bbadour_at_golden.net> wrote in message
news:3rudnXhh4tAyFwGiXTWJkQ_at_golden.net...
>
> > > One can describe anything relationally. What makes you think it
> impossible
> > > to describe a GUI relationally?
> >
> > I must correct my statement, of course: So far nobody succeeded doing
> > so.
> >
> > Application developers routinely describe GUI like this:
> >
> > <table>
> > <tr>
> > <td>
> > User:
> > </td>
> > <td>
> > <input type="text" name="usr" value="<%=usr%>">
> > </td>
> > </tr>
> > <tr>
> > <td>
> > Password:
> > </td>
> > <td>
> > <input type="password" name="pwd" value="<%=pwd%>">
> > </td>
> > </tr>
> > </table>
> >
> > which is just 4 GUI elements in 4 cells layout table, and this
> > approach proved to be quite sucessfull. For comparison, try describung
> > this trivial GUI page in relational to see what I mean.
>
> What's difficult about that? It's just two tuples.
Even a sinlgle tuple. On the data side. On the GUI side it is not. You have to specify 2-dimensional spatial relations among the GUI elements, and this is where the problem becomes serious. Received on Mon Oct 27 2003 - 17:31:00 CET