overenie hodnoty v tabulke

$dbserver = "databazovy server";
$dbuser = "meno pre prihlasenie do databazi";
$dbpassword = "heslo pre prihlasenie do databazi";
$dbname = "nazov databazi";

$link = mysql_pconnect ($dbserver,$dbuser,$dbpassword) or die ("spojenie neúspešné.");
$db = mysql_select_db($dbname, $link) or die ("nepodarilo sa otvoriť databázu.");

$query = "SELECT * FROM tabulka WHERE meno LIKE '".$_POST['meno']."' AND heslo LIKE '".$_POST['heslo']."'";
$result=mysql_query($query, $link) or die ("spojenie s databázou bolo neúspešné");

$row = mysql_fetch_row($result);

if ($row['cislo'] == 15) {
 ....
} else {
 echo "sorry nieste logged in";
}