imported>Yobot: /* top */References after punctuation per WP:REFPUNCT, WP:CITEFOOT, WP:PAIC + other fixes

2021-01-14T21:18:44Z

top: References after punctuation per WP:REFPUNCT, WP:CITEFOOT, WP:PAIC + other fixes

New page

[[File:XQuery and XPath Data Model type hierarchy.png|thumb|The XDM type hierarchy]]

The '''XQuery and XPath Data Model''' (XDM) is the [[data model]] shared by the [[XPath]] 2.0, [[XSLT]] 2.0, [[XQuery]], and [[XForms]] programming languages. It is defined in a [[W3C recommendation]].<ref>Anders Berglund, ''et al.'', [http://www.w3.org/TR/xpath-datamodel/ XQuery 1.0 and XPath 2.0 Data Model], W3C, 2010, revised, 2015,</ref> Originally, it was based on the XPath 1.0 data model which in turn is based on the [[XML Information Set]].

The XDM consists of [[List (abstract data type)|flat sequences]] of zero or more ''items'' which can be [[Type system|typed]] or untyped, and are either atomic values or [[XML]] nodes (of seven kinds: document, element, attribute, text, namespace, processing instruction, and comment). Instances of the XDM can optionally be [[XML Schema (W3C)|XML schema-validated]].

==References==
{{Reflist}}

== External links ==
* IBM: [http://pic.dhe.ibm.com/infocenter/db2luw/v9r7/index.jsp?topic=%2Fcom.ibm.db2.luw.xml.doc%2Fdoc%2Fxqrdatam.html XQuery and XPath data model]

[[Category:Data modeling]]
[[Category:XML data access]]

XQuery and XPath Data Model - Revision history

imported>Yobot: /* top */References after punctuation per WP:REFPUNCT, WP:CITEFOOT, WP:PAIC + other fixes