[xquery-talk] A Couple of Questions - OOXML and SQL

bryan rasmussen rasmussen.bryan at gmail.com
Thu Apr 3 07:48:16 PST 2008

Well, I guess since Word has the ability to incorporate XML data
defined with a custom schema (I suppose this is also part of the
standard) then I suppose you can get data via queries on OOXML.
However I 'm not sure what the problem is with querying non-structured
data such as represented by most documents, and probably most parts of
an OOXML document. Most data in the world is unstructured, and in
documents as opposed to data formats.

Bryan Rasmussen

On Thu, Apr 3, 2008 at 7:29 AM, Tsao, Scott <scott.tsao at boeing.com> wrote:
> During a recent XQuery Overview presentation, there were a couple of
> questions raised which I am searching for answers:
>    1. Office Open XML (OOXML) is a file format used by the Microsoft Office
> 2007 applications. Can XQuery be used to get meaningful information from an
> OOXML document, or would it only return items based on formatting aspects
> (all heading 1s, or all list items).
>    2. SQL is based in part on Set theory from Mathematics, and Set algebra.
> It allows set operations "update all red projects to green." Does XQuery
> support set algebra? For example, SQL join is a set operation that has
> inner, outer, Cartesian forms. http://en.wikipedia.org/wiki/Algebra_of_sets
> Do you have answers to those questions? If you do, please do share!
> Thanks,
> Scott Tsao
> Associate Technical Fellow
> The Boeing Company
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