Integrating HTML Form elements with MySql Database series : #2 | PHP code to handle Checkboxes

How to integrate HTML form element Checkbox with MySql Table. A sample application of reading data using text box and check boxes is considered and solved incrementally : (1) Just displaying the Form (HTML code) (2) Adding Functionality of Clearing the Form (PHP code) (3) Displaying the database content (PHP code - Self submission) (4) Insert the Form data into MySql database