use DBI;  # Here's how to include the DBI module

my $dbh;

my $db = 'myfirstdatabase'; 
my $db_user = 'RAM'; 
my $db_password = ''; 

# Connect to the requested server 

$dbh = DBI->connect ("dbi:mysql:$db","$db_user", "$db_password",{RaiseError => 0, PrintError => 0} ) or err_trap("Cannot connect to the database");
my $sql;
my $sth;
$sql = "SELECT max(unxtmstmp) FROM logfl";
      
$sth=$dbh->prepare($sql) or die "preparing: ",$dbh->errstr;
$sth->execute or die "executing: ", $dbh->errstr;
@$d = $sth->fetchrow_array;
print "@$d";