(a) A University wants to launch various new programs through e-learning mode. These programs are for any student who is unable to attend the regular programs. User can join multiple programs at a particular time. Every program is having a fixed duration (in hours) and has several modules/Chapters to be taught by faculty members. At the end of each module, there is an online quiz. If a candidate clears all the quizzes of all the modules with a stipulated grade, he/she will be awarded a Certificate for the program. Analyze the situation with various assumptions related to the database design and then and then draw the ER Diagram. Clearly indicate the entities, attributes (along with their types), relationships and key constraints