Table of contents

[Home] [W3C Specs]

2 Basic Concepts: The Purchase Order

2.1 The Purchase Order Schema

2.2 Complex Type Definitions, Element & Attribute Declarations

2.2.1 Occurrence Constraints

2.2.2 Global Elements & Attributes

2.2.3 Naming Conflicts

2.3 Simple Types

2.3.1 List Types

2.3.2 Union Types

2.4 Anonymous Type Definitions

2.5 Element Content

2.5.1 Complex Types from Simple Types

2.5.2 Mixed Content

2.5.3 Empty Content

2.5.4 anyType

2.6 Annotations

2.7 Building Content Models

2.8 Attribute Groups

2.9 Nil Values

3 Advanced Concepts I: Namespaces, Schemas & Qualification

3.1 Target Namespaces & Unqualified Locals

3.2 Qualified Locals

3.3 Global vs. Local Declarations

3.4 Undeclared Target Namespaces

4 Advanced Concepts II: The International Purchase Order

4.1 A Schema in Multiple Documents

4.2 Deriving Types by Extension

4.3 Using Derived Types in Instance Documents

4.4 Deriving Complex Types by Restriction

4.5 Redefining Types & Groups

4.6 Substitution Groups

4.7 Abstract Elements and Types

4.8 Controlling the Creation & Use of Derived Types

5 Advanced Concepts III: The Quarterly Report

5.1 Specifying Uniqueness

5.2 Defining Keys & their References

5.3 XML Schema Constraints vs. XML 1.0 ID Attributes

5.4 Importing Types

5.4.1 Type Libraries

5.5 Any Element, Any Attribute

5.6 schemaLocation

5.7 Conformance

Appendices

A Acknowledgements

B Simple Types & their Facets

C Using Entities

D Regular Expressions

E.1 XML Schema Elements

E.2 XML Schema Attributes

A Acknowledgements

Acknowledgements

Many people have contributed ideas, material and feedback that has improved this document. In particular, the editor acknowledges contributions from David Beech, Paul Biron, Don Box, Allen Brown, David Cleary, Dan Connolly, Roger Costello, Martin Dürst, Martin Gudgin, Dave Hollander, Joe Kesselman, John McCarthy, Andrew Layman, Eve Maler, Ashok Malhotra, Noah Mendelsohn, Michael Sperberg-McQueen, Henry Thompson, Misha Wolf, and Priscilla Walmsley for validating the examples.

[Next Chapter] [Home]