$query = "SELECT * FROM Tabela";
$wynik = mysql_query($query,$connect);
if(mysql_num_rows($wynik) > 0) {
    echo "<center><div><table id='Tabela'>";
    while($dane = mysql_fetch_object($wynik)) {
        echo "<tr>";
        echo "<td>".$dane->ilosc."</td>";
        echo "<td>".$dane->komentarz."</td>";
        echo "<td>".$dane->data."</td>";
        echo "</tr>";
    }
    echo '</table></div></center></td></tr>';
}