[Sk1lleD]

You must change

Код:

mysql_connect("Hostname", "Username", "Password", "Database");

With the host and database info like:

Код:

mysql_connect("127.0.0.1", "Username", "Password", "Database"); // This connect to the localhost server, and access to the DB called Database with Username , Password as credential

You can use phpMyAdmin and XAMPP to set a local server to host DB