{ 
     collection_name%TYPE
   | collection_type_name
   | cursor_name%ROWTYPE
   | cursor_variable_name%TYPE
   | db_table_name { %ROWTYPE | .column_name%TYPE }
   | object_name%TYPE
   | [REF] object_type_name
   | record_name%TYPE
   | record_type_name
   | ref_cursor_type_name
   | scalar_datatype_name
   | variable_name%TYPE
 }