Re: Attribute name prefixes, domains, joins, ISO 11179
From: archon <notarealaddress_at_sorry.com>
Date: Tue, 29 Nov 2005 17:26:12 +1100
Message-ID: <438bf489$1_at_duster.adelaide.on.net>
Date: Tue, 29 Nov 2005 17:26:12 +1100
Message-ID: <438bf489$1_at_duster.adelaide.on.net>
archon_at_quantumfire.com wrote:
> Again, this tells us only that the column exists on the widgets table.
> To infer from this that you cannot have a PaintCode without a Widget
> would be incorrect. A PaintCode just happens to be an attribute that a
> widget can have, and it has two of them. You can certainly have
> PaintCodes even if you dont have Widgets, there they are in the Paints
> table. In fact, if we were to include "Widget" here, we would have
> "WidgetTopHalfPaintCode", which would contradictingly contain two
> different class terms ("Widget" and "Paint").