When you import an XML definition in the Designer, you create an XML definition with default views, custom views, or no views. After you create an XML definition, you use the XML Editor to make changes to the definition.

Use the XML Editor to create views, modify components, add columns, and maintain view relationships in the workspace. When you update an XML definition, the Designer propagates the changes to any mapping that includes the source. Some changes to XML definitions can invalidate mappings.

The XML Editor contains the following windows:

The following figure shows the XML Editor:

The XML Editor uses icons to represent XML component types. To view a legend that describes the icons in the XML Editor, click View > Legend.