Entities: 1.Bank(BankID,BankName,BankPhone,BankAddr) --strong PK: (BankID) AK: (BankName) 2.Branch(BranchID,BranchName,BranchAddr,BranchPhone,BankID) --strong PK: (BranchID) AK: (BranchName) FK: BankID references Bank(BankID) 3.Customer(CustomerID