XML Schemas

Table of contents

• Reminder: Role of DTD-s in XML
• DTD Type Definition
• What is wrong with DTD-s?
• Schemas
• Simple Schema Version for the previous DTD
• Schema Terminology
• Same Schema with Anonymous Type
• Groups
• Any Order
• Content models
• Adding attributes
• Datatypes
• Built-in simple datatypes
• Restriction on simple datatypes
• Some examples for restriction possibilities
• Use of enumeration
• List types
• Union types
• Type Hierarchies
• Example for extension
• Example for restriction
• Substitution Groups
• Combination of schemas (to produce new schemas)
• Combination of specifications
• Specifying of Uniqueness
• Conclusions