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   RE: xpath vs xql

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  • From: Jonathan Robie <Jonathan.Robie@SoftwareAG-USA.com>
  • To: Richard Lanyon <rgl@decisionsoft.com>, xml-dev@xml.org
  • Date: Mon, 03 Jul 2000 12:03:52 -0500

There is very little difference between XQL'98 and the abbreviated syntax 
of XPath. XQL '98 may best be regarded as a predecessor of XPath.

Most of the kinds of queries people tend to do with SQL may be done on a 
native XML representation using a query language called Quilt 
(http://almaden.ibm.com/cs/people/chamberlin/quilt.html), which uses the 
abbreviated syntax of XPath, but also provides tree construction and joins. 
This seems more natural than mixing XQL and XPath - it uses one XML model 
for the data, instead of combining a relational model with an XML model.

Jonathan Robie
R&D Fellow, Software AG

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