<?php
$dbhost = "localhost";
$dbuser = "Логин";
$dbpassword = 'Пароль';
$dbname = "vladiksan1998";

$sname = $_POST['sname'];
$fname = $_POST['fname'];
$score = $_POST['score'];

$link = mysql_connect($dbhost, $dbuser, $dbpassword);
if (false === $link)
   die ('Error database connect');
$select_result = mysql_select_db($dbname, $link);
if (false === $select_result)
   die ('Error database select<');
$query = "INSERT INTO records VALUES('$fname','$sname','$score')";
$query_result = mysql_query($query, $link);
if (false === $query_result)
   die ('Error database SQL query');
$close_result = mysql_close($link);
if (false === $close_result)
   die ('Error database close');
   ?>

<?php
$link = mysql_connect('localhost', 'login', 'pass')
    or die('Не удалось соединиться: ' . mysql_error());
mysql_select_db('vladiksan1998') or die('Не удалось выбрать базу данных');

$query = 'SELECT fname, sname, score FROM records';
$result = mysql_query($query) or die('Запрос не удался: ' . mysql_error());

echo "<table>n";
while ($line = mysql_fetch_array($result, MYSQL_ASSOC)) {
    if($line['score'] != 0){
    echo "t<tr>n";
    echo "tt<td>" . $line['fname'] . "</td>n";
    echo "tt<td>" . $line['sname'] . "</td>n";
    echo "tt<td>" . $line['score'] . "</td>n";
    echo "t</tr>n";
}
}
echo "</table>n";
mysql_free_result($result);
mysql_close($link);
?>

$query = "INSERT INTO records VALUES('$fname','$sname','$score')";
$query_result = mysql_query($query, $link);

if($score != 0)
{
  $query = "INSERT INTO records VALUES('$fname','$sname','$score')";
  $query_result = mysql_query($query, $link);
}

$query = 'SELECT fname , sname , score FROM records WHERE score != 0';