my $ConnString = "SQLPLUS -L " . $Login_Name . "\/" . $Login_Password . "\@" . $DB_Name . " \@sqlfile.sql";
  my $ReturnCode=system($ConnString);
  sleep(2);	#--Give time to autheticate.
  if ($ReturnCode!=0)
  {
    print scalar (localtime),"  E: SqlPlus Database Login unsuccessfull.\n";
    return -1;
  }
  print LOG_FILE scalar (localtime),"  I: SqlPlus Database Login successfull.\n";