Restrictions on Adding or Modifying EIM Mappings

The following table describes restrictions on adding or modifying EIM mappings.

From	To	Restriction
Interface table column	Base column	Supported if predefined mappings exist from the interface table to the data table.
Interface table extension column	Base column	Supported if no other mappings exist to the base column. Use with caution.
Interface table column	Extension table column	Supported if predefined mappings exist from the interface table to the base table of the extension table.
Interface table extension column	Extension table column