Correct my code plz

[sunil_kumar]

#!/usr/local/bin/perl
#check_oracle#

use strict;

use DBI;
use Net::SMTP;

$ENV{'ORACLE_HOME'} = '/app/oracle/product/9.2';

my $errors;
my $total = 0;

check_oracle();

if($total > 0) {
   my $mailer = Net::SMTP->new("142.1.0.1");
   $mailer->mail('[e-mail]');
   $mailer->to('root');

   $mailer->data();
   $mailer->datasend("Subject: DPR database");
   $mailer->datasend("\n");
   $mailer->datasend($errors);
   $mailer->dataend();
} 

sub check_oracle {
   my $username = '######_@@@@';
   my $password = '@@@@';
   my $tnsalias = 'DPR';

   my $dbh = DBI->connect('dbi:Oracle:'.$tnsalias, $username, $password, { PrintError => 0 });
   unless($dbh) {
         $errors .= "DPR database may be unavailable.\n";
         $total++;
      };
}

[[-!dEmOn!-]]

Whats wrong with it?

What errors did it return?

[KevinADC]

anyways, why should anyone just correct your code for you even if there is a problem? This is not a code debugging/ script writing service, it's a help forum.