These are the most important new features in XQuery 3.1: 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 https://
This document is governed by the 1 March 2017 W3C Process Document. It was developed by the W3C XML Query Working Group, which is part of the XML Activity.
This Recommendation specifies XQuery version 3.1, a fully compatible extension of XQuery version 3.0. Implementors are encouraged to run this test suite and report their results.
The Test Suite can be found at https://dev.w3.org/2011/QT3-test-suite/. No substantive changes have been made to this specification since its publication as a Proposed Recommendation.
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.
As increasing amounts of JSON are used for lightweight data-exchange, an XML query language for Web data needs to handle JSON as well as XML and HTML.As increasing amounts of information are stored, exchanged, and presented using XML, the ability to intelligently query XML data sources becomes increasingly important.One of the great strengths of XML is its flexibility in representing many different kinds of information from diverse sources.W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent.An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.