XQuery Update Facility

XQuery Update Facility is an extension to the XML Query language, XQuery. It provides expressions that can be used to make changes to instances of the XQuery 1.0 and XPath 2.0 Data Model.

It became a W3C Candidate Recommendation on 31 July 2009 and was finalised as Recommendation on 17 March 2011.^[1]

Implementations

BaseX - An open source XML Database and XQuery Processor; supported since Version 6.0
DataDirect XQuery - a java-based commercial XQuery processor. Supported since Version 4.0
EMC Documentum xDB - Native XML Database. XQuery Update Facility supported since Version 9.0
eXist - The open source XML Database provide an extension to XQuery, which maps each of the XUpdate instructions to a corresponding XQuery expression
MonetDB/XQuery - An open source XQuery processor on top of the MonetDB relational database system.
PureXML PureXML - IBM DB2 offers XQuery Update Facility since Version 9.5.
qizxopen XQuery engine.
SaxonSA XSLT and XQuery Processor - by Michael Kay; Supported since Version 9.1, but only in the commercial version.
XQilla - An open source (ASL2.0) XQuery processing library with support for the latest XQuery Update features. XQilla is written in C++ and includes a command line executable shell to execute queries against XML content stored on a local filesystem. This library is actively developed and part of a supported Oracle product, Berkeley DB XML.

External links

XQuery Updates at Wikibooks
XQuery Update Facility on W3
XQuery Update for the impatient, a tutorial on XQuery Update and its quirks.

References

↑ "XML and Semantic Web W3C Standards Timeline" (PDF).

World Wide Web Consortium (W3C)

Products and
standards

Recommendations	ARIA Canonical XML CDF CSS DOM Geolocation API HTML (HTML5) ITS MathML OWL P3P PLS RDF RDF Schema SISR SKOS SMIL SOAP SRGS SRI SSML SVG SCXML SPARQL Timed text VoiceXML Web storage WSDL XForms XHTML XHTML+RDFa XInclude XLink XML XML Base XML Encryption XML Events XML Information Set XML namespace XML Schema XML Signature XOP XPath XPath 2.0 XPointer XProc XQuery XSL XSL-FO XSLT (elements)

Notes	XAdES XHTML+SMIL XUP

Working drafts	CCXML CURIE EME InkML JSON-LD MSE RIF SMIL Timesheets sXBL WICD XFDL XFrames XBL XMLHttpRequest

Guidelines	Web Content Accessibility Guidelines

Initiative	Multimodal Interaction Activity (MMI) Markup Validation Service Web Accessibility Initiative WebPlatform

Deprecated	C-HTML HDML JSSS PGML VML XHTML+MathML+SVG

Organizations

Advisory Committee (AC) World Wide Web Foundation

Elected groups	Advisory Board (AB) Technical Architecture Group (TAG)

Working groups	CSS HTML Geolocation Social Web SVG Web Hypertext Application Technology (WHATWG) Web Platform

Closed groups	Device Description (DDWG) WebOnt (Semantic Web Activity)

Software

CERN httpd Libwww

Browsers	Line Mode (1990–) Arena (1993–98) Agora (1994–97) Argo (1994–97) Amaya (browser/editor, 1996–2012)

Conferences

International World Wide Web Conference (IW3C)
- Steering Committee (IW3C2)
- First conference ("WWW1", 1994)

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