Extensible select and enumeration types

and their elements in schema HYBRID_BREAKDOWN_MIM taking into account BASED_ON types


 characterized_product_definition - EXTENSIBLE SELECT
          product_definition
          product_definition_relationship

 product_definition_or_breakdown_element_usage - EXTENSIBLE GENERIC_ENTITY SELECT
          product_definition
          product_definition_usage

 product_definition_or_product_definition_relationship - EXTENSIBLE GENERIC_ENTITY SELECT
          product_definition
          product_definition_usage