XQuery

Synopsis

Originally designed to query XML databases, but can do all types of transformation that XSLT can do. (See http://www.xml.com/pub/a/2005/03/09/xquery-v-xslt.html .)

Source code and licensing

Standard is copyrighted by W3C, which grants a license to reproduce it in its original form.

Language(s)

Documentation is available from W3C in English: http://www.w3.org/XML/Query/ .

Sample implementations

Open-source implementation available in Michael Kay's Saxon. Others listed at http://www.w3.org/XML/Query/ .

Current version number and date of release

1.0 (W3C Recommendation 2007 January 23)

History of versions

See http://www.w3.org/XML/Query/ .

Additional notes

Introductory readings:

1. http://www.xml.com/pub/a/2005/03/02/xquery.html
2. http://www.xml.com/pub/a/2005/03/23/xquery-2.html
3. http://www.xml.com/pub/a/2006/06/14/scaling-up-with-xquery-part-1.html
4. http://www.xml.com/pub/a/2006/06/21/scaling-up-with-xquery-part-2.html