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# Understanding XML Namespaces

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As defined in http://www.w3.org/TR/REC-xml-names/, an XML namespace is a collection of names, identified by a URI reference, which are used in XML documents as element types and attribute names. To promote reusability and modularity, XML document constructs should have universal names, whose scope extends beyond their containing document. XML namespaces are the mechanism which accomplishes this.

XML namespaces are applicable in projects that reference an XML schema: EIS projects that use XML records (see "EIS Projects") and XML projects (see "XML Projects").

This section describes the following:

- TopLink Workbench Namespace Resolution

- Element and Attribute Form Options

- TopLink Runtime Namespace Resolution