Saudi Banks Network has many banks registered in its database. Each bank should have its code (which is unique per bank), bank name and head office address of the bank (city, street). However each bank might have number of branches. Each branch should have a number, yet no bank is only known by its branch number, it is also known by its bank code. It is also necessary to record the branch manager, phone numbers (each branch has at least 5 lines). A customer has to be register in one branch however he/she can deal with all branches. SSN, name, Address and phones of the customer are some data should be stored. A customer might have maximum 3 loans and 10 accounts. It is possible for any number of customers to participate in an account or in a loan. A loan should have loan number, amount, loan type, interest (5% from the original amount). An account should have account number, balance and type of that account. Date of opening an account for a customer is needed to be stored. A branch has employees work in this branch, employee no, name, address, identification card number, salary are some characteristics should be in your database. Each employee has a supervisor; only one, however a supervisor may supervise any number of employees. A branch should have at least 25 employees and employee may work in many branches at the same time, date of joining a branch should be registered.
1.You are required to design an ERD for this application, stating any assumptions you make. (10 marks)
2.Transform your ERD to schema diagram (relational model) (6 marks)
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