PHP - Mengambil Satu Data Dan Jumlah Data

Untuk mengambil satu data di php

index.php

<?php
mysql_connect("localhost","root","");
mysql_select_db("dblogin");

$ambil = mysql_query("select * from tbusers");
$data = mysql_fetch_array($ambil);
echo $data[1];
?>

Untuk mengampilkan jumlah data
index.php

<?php
mysql_connect("localhost","root","");
mysql_select_db("dblogin");

$ambil = mysql_query("select * from tbusers");
$data = mysql_num_rows($ambil);
echo $data;
?>