This document contains the reference documentation of Tamino XQuery 4.

You should be familiar with the concepts presented in the XQuery 4 User Guide as well as with the built-in data types defined in XML Schema.

This documentation covers the following topics:

Introduction
Lexical Structure
Syntax Constructs	Syntax Constructs Ordered by Categories Syntax Constructs in Alphabetical Order
Functions	Functions Ordered by Categories Functions in Alphabetical Order
XQuery 4 Implementation Status
XQuery 4 User Guide	First Steps The Concepts of XQuery 4 Related Information