You can export all your master data type information and master data entry information to an XML file, modify the contents of the XML file, and then import it back. There are two main reasons you might want to export data or to export, modify, and import it:
For example, if you changed the ID of an attribute of the
master data type, you must find all occurrences of that
attribute in the master data entries and change them to the new
value. In this case, you would change all occurrences of
<VocabularyElement
id="old_value">
to
<VocabularyElement
id="new_value">
.
{{NOTE TO REVIEWERS: is this adequate? Or do I need to document the XML schema/DTD?}}