Refer the ER diagrams that are designed in the following task http://www.google-melange.com/gci/task/view/google/gci2012/8007243

Your task is to implement the database layer using PHP script. Upload the final single PHP file which creates required tables in the database when it is run.

If you have questions regarding the design please do contact the person who have handled the task.

Refer to fedoraproject.org/wiki/GCI_2012/Students_Instructions