my $translator = SQL::Translator->new( from => 'DBI', to => 'GraphViz', parser_args => { dsn => "dbi:Oracle:xxx", db_user => 'xxx', db_password => 'xxx', producer_args => { output_type => 'png', out_file => 'out.png', natural_join => 1, width => 30.0, height => 30.0, #fontsize => 10 }, }, ); my $sql = $translator->translate( data => '');