Bank System Entity-Relationship (ER) Diagram is used to analyze the structure of the banking system. Use EdrawMax to create the Bank System ER Diagram as it has all the required symbols and figures essential to develop the banking system entity-relationship templates. The below bank system ER diagram illustrates critical information about banks, including branches, customers, accounts, and loans. The ER diagram of the banking system has customers, banks identified by the name, code, and address of the main office. A bank's branch is also determined by a branch_no., branch_name, address, and others. At the same time, Customers are identified by name, customer_id, phone_number, and customer_address. At the same time, accounts are identified by account_no., account_type, and account_balance. Any loan segment is identified by loan_id, loan_type, and loan_amount.