anchor.diff:  
   parameterization_option:
        PARAMETERIZATION ( SIMPLE | FORCED )
  -    ;*/
  +    ;
   
   /* Will visit later
   query_store_options:
       ;
   */
   
  -/*recovery_option:
  +recovery_option:
        RECOVERY ( FULL | BULK_LOGGED | SIMPLE )
        | TORN_PAGE_DETECTION on_off
        | PAGE_VERIFY ( CHECKSUM | TORN_PAGE_DETECTION | NONE )
  -    ;*/
  +    ;
   
   /*Will visit later
   remote_data_archive_option:
       ;
   */
   
  -/*service_broker_option:
  +service_broker_option:
       ENABLE_BROKER  
       | DISABLE_BROKER  
       | NEW_BROKER  
  
positive.code: /* Will visit later
  database_mirroring_option:
       ALTER DATABASE Database Mirroring
      ; */
  
  
  /*date_correlation_optimization_option:
      DATE_CORRELATION_OPTIMIZATION on_off
      ;
  
  
negative.code:     ;
  
  common_table_expression
      : expression_name=id ('(' column_ name_list ')')? AS '(' select_statement ')'
      ;
  
  update_elem
      : (full_column_name | LOCAL_ID) ('=' | assignment_operator) expression
      | udt_column_name=id '.' method_name=id '(' expression_list ')'
      //| full_column_name '.' WRITE (expression, )
  