Before we start writing any code, let's set up a few simple things:

If you have followed the steps correctly, you should see our application when you fire up this URL in your browser: localhost/JQMData.

We are now ready to write our first PHP code for this application. Open up the db.php file that we have just created. We have to now establish a connection to the MySQL database that we have created. Let's see how this works. Copy the following code to db.php file and save it:

<?php
  $servername = "localhost";
  $username = "root";
  $password = "";
  $dbname...