#!/usr/bin/perl
use strict;
use warnings;
use DBI;
use DBD::Oracle;


my $dbh = DBI->connect('dbi:Oracle:host=<IP ADRESS>;sid=11G;port=1521','username', 'password', { RaiseError => 1, AutoCommit => 0 }) or die "can not connect to the DB";

my $sth = $dbh->prepare(qq{select xmltype(SERVICE_SPECIFIC_DATA_V,871) from CONNECTION_ACCOUNTS where account_id_n = 1462});

$sth->execute();

while ( my ($SERVICE_SPECIFIC_DATA_V) = $sth->fetchrow() )

{
     print STDOUT "BLOB is: $SERVICE_SPECIFIC_DATA_V\n";
}
$sth->finish();
$dbh->disconnect;