XML Schemas (XSD)

2 day hands-on course contents

What you will learn :

Using XML and XSD         

• The modeling of system requirements 
• How to model XML vocabularies 
• Modeling message types
• XSD based process modeling

XML Essentials - a Cram session

• Well-formed & valid XML documents
• XML schemas (DTD/XSD)
• XML Namespaces
• Overview of XML tools
• Stylesheets, presentation & transformation

XSD development process Overview and examples

• Purchase order schema example
• Corresponding conceptual model
• XSD design model customization
• Automated XML Schema generation
• Message sequence diagrams

Conceptual Modeling with XSD

• Collaborate with business stakeholders
• Understand the terms, relationships, and Data types
• Compare with database logical/physical modeling
• UML facilitates a platform independent view

Best practices from W3C XML Schema

• The roles of XML Schema in applications
• The limitations & differences with DTDs
• Separating type definition from element declarations
• ComplexType and SimpleType definitions
• Type derivation

Overview of Simple and Complex types

• Goals of XSD Types
• Simple Types
• Deriving by Union, List and restriction
• Complex Types
• Deriving by Extension

Mapping OO concepts to Schema Vocabularies

• Class
• Attribute
• Association
• Generalization
• Composition/Aggregation
• Packages

UML to XSD design tools 

• Generating XML Schemas from XMI
• Automatic generation of UML diagrams from XMI
• Reverse engineering XML Schemas to XMI
• Demonstration with industry-standard tools
• Demonstration with open-source tools

A UML Profile for XML Schema

• Tagged value properties 
• Describe extensions for each UML construct
• Customizing mappings from UML to XSD 
• UML profiles as extension mechanism for UML  - Stereotypes 

Advanced Schemas

• Using keys and keyrefs
• Adding basic logic to a schema
• Usage of Substitution groups
• Available XSD solution architectures
• SOAP, WSDL and UDDI in schema context

Real life XSD examples

• Current usage of XSD schema technology
• Combining XSD and XSL 
• Model driven architecture (MDA) and Schemas