First you have to make data base connection and then you use insert query for insert data in data base:---
<?php
$host = 'hostname'; (for ex-localhost)
$username = 'username'; (for ex- root)
$password = 'password';
$dbName = 'Db name';
mysql_connect($host, $username ,$password) or
die(mysql_error());
mysql_select_db($dbName) or
die(mysql_error());
and after it you have to use insert query:-
INSERT INTO `tablename` (`field1`, `field2`, `field2`, `field3`, `field4`) VALUES
(field1value, 'field2value', 'field3value', 'field4value');
NOTE:- YOU CAN USE ANY INSERT QUERY OUT OF THREE
Regards,
Lal Babu