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RE: attribute order (RE: Syntax Sugar and XML information models)

• From: Gavin Thomas Nicol <gtn@e...>
• To: xml-dev@l...
• Date: Fri, 30 Mar 2001 08:33:08 -0500

> > Right, but if you view attributes at "attributes of a type", and
> > content as "attributes of a type" (syntactic sugar), we get into
> > a funky world where one asks why you can't specify the ordering
> > of attributes as you can content. This is kind of where the
> > SML folk were coming from.
>
> The question of "order" is separate from that of a "type".  In relational
> databases, each returned row can be seen as an instance of a type (a la C.
> J. Date), but the components of that type form a set, not a list.

I think ordering is just one more type constraint. I'm using
a non-standard definition of "type" though... where type is proven
by a set of assertions... kind of like

  Is it red? Yes.
  Does it have seeds? Yes.
  Is it sweet? Yes.
  Is it crispy when bitten into? Yes.

  ... I declare this to be an apple!

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    • From: "Thomas B. Passin" <tpassin@h...>

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