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On 7/19/05, Ronald Bourret <email@example.com> wrote:
> Will the addition of XML data types to relational databases help this
> problem, at least for data-centric schemas? It's a bit of an force-fit,
> but it seems that mixed content could be mapped to and accessed from an
> XML column when the meaning of that content is a single word, even an
> annotated one.
If you're indexing in any way (walking a Blob or shredding) then you
need some form of schema support...
> This solution won't work for data binding until programming languages
> can handle XML data as a first-order type.
As I pointed out yesterday, there's more-or-less a direct mapping
between XML mixed content "annotations" and Aspect oriented
programming annotations. Building a mixed content data structure
isn't the problem, at this point I don't see how to generally use
schema driven parsing to populate such a structure. It would be
straight forward populating such a beast directly via a hard coded SAX
parser. The issue is, can you automate the building of the parser
without some form of meta-meta description? I can't see how, and
existing Schema languages don't appear to be up to the task.