Please report errors in this document using W3C's public Bugzilla system (instructions can be found at
If access to that system is not feasible, you may send your comments to the W3C XSLT/XPath/XQuery public comments mailing list, [email protected]
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Apr 2008 PM UTC Windows XP Service Pack 3 Released to Manufacturing Today we are happy to announce that Windows XP Service Pack 3 (SP3) has released to manufacturing (RTM).
Please check the errata for any errors or issues reported since publication. This document is also available in these non-normative formats: XML and Change markings relative to previous edition.
Copyright © 2014 XML is a versatile markup language, capable of labeling the information content of diverse data sources including structured and semi-structured documents, relational databases, and object repositories.
A query language that uses the structure of XML intelligently can express queries across all these kinds of data, whether physically stored in XML or viewed as XML via middleware.
This specification describes a query language called XQuery, which is designed to be broadly applicable across many types of XML data sources.XQuery 3.0 is an extended version of the XQuery 1.0 Recommendation published on 23 January 2007.A list of changes made since XQuery 1.0 can be found in J Change Log.Here are some of the new features in XQuery 3.0: This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at This is one document in a set of six documents that have been progressed to Recommendation together (XQuery 3.0, XQuery X 3.0, XPath 3.0, Data Model 3.0, Functions and Operators 3.0, and Serialization 3.0). It was developed by the W3C XML Query Working Group, which is part of the XML Activity. This document incorporates minor changes made against the Proposed Recommendation of 22 October 2013.This Recommendation of XQuery 3.0 represents the second version of a previous W3C Recommendation. Implementors are encouraged to run this test suite and report their results. Changes to this document since the Proposed Recommendation are detailed in J Change Log.