Support for _Attribute_Default in Direct Access to PCR Models

Direct Access to PCR models include support for views and reports that include the _Attribute_Default member of an Attribute dimension. This special member is used to denote members of the base dimension that have not been mapped to an attribute in an Attribute dimension. For example, if a dimension has 100 members, 80 of which are mapped to attributes, the remaining 20 members will automatically be associated with _Attribute_Default. You see _Attribute_Default whenever you expand an attribute dimension or look up an attribute in a member selection box.