#!/usr/bin/perl

use DBI;
use strict;

my $username = "dbuser";
my $password = "dbpassword";
my $dsn = "dbi:mysql:mysql:192.168.1.10";
my $dbh = DBI->connect($dsn,$username,$password)
  or die "Cannot connect to database: $DBI::errstr";

my $sth = $dbh->prepare("SELECT user,host FROM mysql.user");

$sth->execute() or die "Cannot execute sth: $DBI::errstr";

while (my($username,$hostname) = $sth->fetchrow_array()) {
  print "Username is $username. Host is $hostname\n";
}

$dbh->disconnect();