$sth->{NAME}

##</code><code>##

  DB<3> x $sth
0  DBI::st=HASH(0x402426c0)
     empty hash

##</code><code>##

  DB<4> x tied %$sth
0  DBI::st=HASH(0x400221f0)
   'Database' => DBI::db=HASH(0x4026e6fc)
        empty hash
   'Debug' => 0
   'Err' => SCALAR(0x402326cc)
      -> undef
   'Errstr' => SCALAR(0x402326fc)
      -> undef
   'FetchHashKeyName' => 'NAME'
   'Handlers' => ARRAY(0x40242684)
        empty array
   'ImplementorClass' => 'DBD::Oracle::st'
   'State' => SCALAR(0x401c98d0)
      -> undef
   'Statement' => 'select * from my.foo_test'
  DB<5>