con_db.php
<?php
	$appDbUserAloc = 'root'; //username
	$appDbPassAloc = 'sampletest'; //password
	$appDbHostAloc = 'localhost'; //host
	$appDbSelAloc = 'Allnines'; //database

	mysql_connect($appDbHostAloc, $appDbUserAloc, $appDbPassAloc);
	mysql_select_db($appDbSelAloc);
?>

in.php
<?php
require_once("con_db.php");

	mysql_query("INSERT INTO tab_daily (dal_data) VALUES ('0')");

?>