Creating an XML Schema

HOPEX UML : HOPEX XML Schemas : Creating an XML Schema

Creating an XML Schema

Defining a Namespace

Opening the Schema Editor

Specifying the URN for a Namespace

Creating a Schema Class

Result

Defining an Alias for a Package

Import and Inclusion of Other Schemas

Connecting a Tag Definition to a Schema Class

Defining Elements in an XML Schema

Creating an Element

Characteristics of an Element

Ordering Contained Elements

Defining attributes

Creating an Attribute in an XML Schema

Attribute Characteristics

Groups

Creating a Group in an XML Schema

Attribute Group Template

Element Group Template

Ordering the Elements in a Group

Using a Group

References

Creating a Reference in an XML Schema

Characteristics of a Reference (XML Schema)

Creating a bidirectional reference (XML Schema)

Referencing an Element (XML Schema)

Referencing an Attribute (XML Schema)

Referencing a Group (XML Schema)

Using Packages for Classification (XML Schemas)

There are three essential steps in defining the structure of a document:

• Create and name the schema (the document structure).

• Define the content of the document, which means including the schema elements

• Define the attributes of the schema elements