A XQuery Support

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This topic describes how DataDirect XQuery supports XQuery expressions, functions, and operators according to the following specifications:

XQuery 1.0: An XML Query Language, W3C Recommendation 23 January 2007 located at: http://www.w3.org/TR/2007/REC-xquery-20070123/
XQuery 1.0 and XPath 2.0 Data Model (XDM), W3C Recommendation 23 January 2007 located at: http://www.w3.org/TR/2007/REC-xpath-datamodel-20070123/
XQuery 1.0 and XPath 2.0 Functions and Operators, W3C Recommendation 23 January 2007 located at: http://www.w3.org/TR/2007/REC-xpath-functions-20070123/
XQuery 1.0 and XPath 2.0 Formal Semantics, W3C Recommendation 23 January 2007 located at:
http://www.w3.org/TR/2007/REC-xquery-semantics-20070123/
XQuery 1.1 W3C Working Draft 3 December 2008 located at:
http://www.w3.org/TR/xquery-11/

Terminology

The tables in this topic that present XQuery support information use the following terms to describe this support for both XML and relational sources.

Term	Definition
Supported	DataDirect XQuery supports the feature, function, or operator with no exceptions.
Supported with comment	DataDirect XQuery supports the feature, function, or operator with the comment noted.
Not supported	DataDirect XQuery does not support the feature, function, or operator and raises an error.

The numbers in the main section in this topic correspond to the sections in the XQuery 1.0 W3C Recommendation 23 January 2007 where that topic is discussed.

Except where noted, all features are supported for both XQuery 1.0 and XQuery 1.1. Features that are supported only in XQuery 1.1 are indicated with a symbol like this:

In This Topic

This topic contains the following sections:

2 Basics
3 Expressions
4 Modules and Prologs
5 Conformance
Namespaces