my $tables = q~
#A Person is independent of everything else.

CREATE TABLE Person (
  Id                  INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  Name                VARCHAR(255),

  KEY( Name ),
  PRIMARY KEY( Id )
);


#An Actor is a Person.
#(An Actor plays Roles).

CREATE TABLE Actor (
  Id                  INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  PersonId            INT(11) UNSIGNED NOT NULL REFERENCES Person(Id),

  KEY( PersonId ),
  PRIMARY KEY( Id )
);


#A Director is a Person.
#A Director directs Movies.
#(A Director can also be an Actor).

CREATE TABLE Director (
  Id                  INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  PersonId            INT(11) UNSIGNED NOT NULL REFERENCES Person(Id),
  MovieId             INT(11) UNSIGNED NOT NULL REFERENCES Movie(Id),

  KEY( MovieId ),
  KEY( PersonId ),
  PRIMARY KEY( Id )
);

#Roles are played by Actors.
#Roles occur in Movies.
#A Role is a Person.

CREATE TABLE Role (
  Id                  INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  ActorId             INT(11) UNSIGNED NOT NULL REFERENCES Actor(Id),
  MovieId             INT(11) UNSIGNED NOT NULL REFERENCES Movie(Id),
  PersonId            INT(11) UNSIGNED NOT NULL REFERENCES Person(Id),

  KEY( PersonId ),
  KEY( ActorId ),
  KEY( MovieId ),
  PRIMARY KEY( Id )
);



#A movie has a Title.
#(A movie may have: Roles, Directors, Actors, Writers).

CREATE TABLE Movie (
  Id                  INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,

  Title VARCHAR(255),

  PRIMARY KEY( Id )
);
    ~;

    use strict;
    use warnings;
    use SQL::Translator;

    my %To = (
        POD         => 'pod',
        XML         => 'xml',
        HTML        => 'html',
        Raw         => 'Raw',
        GraphViz    => 'png',
        ClassDBI    => 'pm',
        MySQL       => 'sql',
        SQLite      => 'sql',
        Oracle      => 'sql',
        PostgreSQL  => 'sql',
        Sybase      => 'sql',
    );

    for my $to ( sort keys %To ){
        print STDERR "Translating to $to ...\n";
        my $translator  = SQL::Translator->new(
            debug          => 0, # PrINT debug info
            trace          => 0, # PrINT Parse::RecDescent trace
            no_comments    => 1, # Don't include comments in output
            show_warnings  => 1, # PrINT name mutations, conflicts
            add_drop_table => 1, # Add "drop table" statements
            data           => \$tables,
            producer_args  => {
                layout => 'dot',
                node_shape => 'trapezium', #plaintext diamond house
            },
        );

        my $output = $translator->translate(
            from => "MySQL",
            to   => $to,
        ) or warn "\n\nFATAL ERROR: ", $translator->error
            and next;

        my $file = __FILE__ ."_$to.$To{$to}";

        open my $fh, '>', $file or warn "Can't clobber $file : $!" && next;
        binmode $fh;
        print {$fh} $output;
        close $fh;
    }

__END__