EXECUTE --+-> <statement-name> --------+-+
            +-> <statement-id-parameter> + |
  +----------------------------------------+
  +-+-------------------------------------------------+-+
    +-> INTO --+-> DESCRIPTOR <desc-name> ----------+-+ |
               +-+-+-> <parameter>  ------------+-+-+   |
                 | +-> <qualified-parameter>  --+ |     |
                 | +-> <variable>   ------------+ |     |
                 +-------------- , <--------------+     |
  +--------------------------------<--------------------+
  +-+-------------------------------------------------+--->
    +-> USING -+-> DESCRIPTOR <desc-name> ----------+-+
               +-+-+-> <parameter>  ------------+-+-+
                 | +-> <qualified-parameter>  --+ |
                 | +-> <variable>   ------------+ |
                 +-------------- , <--------------+