Chapter 2 XML Model Basics

Model Namespaces page

A namespace is a URI indicating a location where objects are declared. The prefix of a namespace, followed by a colon (:) and the name of an object, indicates that this object is declared in that namespace. Namespaces are not supported by DTDs.

You can use the following tools to attach namespaces from other models or schema files to the current model:

Tool	Tooltip	Description
	Add Namespaces from XML Models	Adds namespaces of other XML models. These are source namespaces for the current model
	Add Namespaces from XML schema files	Adds namespaces of other schema files available on your machine. These are source namespaces for the current model

• In the case of a model targeted with XSD, the namespace of the W3C XML Schema Recommendation is predefined in the list of namespaces.
  
• In the case of a model targeted with XDR, two namespaces are predefined in the list of namespaces.
  

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