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A Couple of Questions - OOXML and SQL

Tsao, Scott scott.tsao at boeing.com
Wed Apr 2 22:29:39 PST 2008

  A Couple of Questions - OOXML and SQL
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.
Do you have answers to those questions? If you do, please do share!

Scott Tsao 
Associate Technical Fellow 
The Boeing Company 

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