my $sth = $dbh->prepare(
    "CREATE TABLE IF NOT EXISTS admin
    (
       id int auto_increment not null,
       username VARCHAR(25) DEFAULT 'admin' NOT NULL,
       password VARCHAR(36) DEFAULT '1a1dc91c907325c69271ddf0c944bc72' NOT NULL,
       primary key  (id)
    )");
$sth->execute();

if ($sth->errstr) { print $sth->errstr; }  
else {  print "Admin table was setup"; }