anchor.diff:      ;
   
   table_ref_aux_internal
  -    :  dml_table_expression_clause (pivot_clause | unpivot_clause)?                # table_ref_aux_internal_one
  +    : dml_table_expression_clause (pivot_clause | unpivot_clause)?                # table_ref_aux_internal_one
       | '(' table_ref subquery_operation_part* ')' (pivot_clause | unpivot_clause)?  # table_ref_aux_internal_two
       | ONLY '(' dml_table_expression_clause ')'                                     # table_ref_aux_internal_three
       ;
  
positive.code:     ;
  
  type_declaration
      :  TYPE identifier IS (table_type_def | varray_type_def | record_type_def | ref_cursor_type_def) ';'
      ;
  
  table_type_def
  
negative.code:     ;
  
  logging_clause
      : LOGGING
       | NOLOGGING
       | FILESYSTEM_LIKE_LOGGING
      ;
  
  extent_management_clause
  