[PHP] 직관적인 MySQL connect 및 Query

$dbconn=mysql_connect("localhost","user","userpw");
$status=mysql_select_db("db",$dbconn);

$q="select * from download_server";
$re=mysql_query($q,$dbconn);

$total=mysql_num_rows($re);
for($k=1;$k<=$total;$k++) {
 $data=mysql_fetch_array($re);
 $num=$data[num];
}
mysql_close($dbconn);