Dear Sir,
I can work on this project in a very professional way, i have more than 13 years of experience in database design & creation, i can make this ERD and u will be more than satisfied, if i had the chance to work with you, i can complete the rest of the future tasks, the study will be not just to complete this part but to design the coming tasks too, as soon as u accept my bid i will give you a brief explanation about the project that i have in mind for you, I do have experience in Oracle SQL/ PLSQL, queries writing, reports designing, forms designing, business intelligence etc..
Thanks & best Regards,