my $sth = $dbh->prepare("INSERT INTO staff (first_name, last_name) VALUES (?, ?)");
my $tuples = $sth->execute_array(
    { ArrayTupleStatus => \my @tuple_status },
    \@first_names,
    \@last_names,
);
if ($tuples) {
    print "Successfully inserted $tuples records\n";
}
else {
    for my $tuple (0..@last_names-1) {
        my $status = $tuple_status[$tuple];
        $status = [0, "Skipped"] unless defined $status;
        next unless ref $status;
        printf "Failed to insert (%s, %s): %s\n",
            $first_names[$tuple], $last_names[$tuple], $status->[1];
    }
}