This ER Diagram of Banking Transaction is an ERD that illustrates how a banking transaction works. A bank customer can withdraw, deposit, or borrow money. The diagram above depicts the attributes required to create a relational database. Create Entity Relationship Diagram examples, such as this Banking Transaction Entity Relationship Diagram template, which you can easily edit and customize in minutes. Furthermore, you can verify and review database links if you are a database designer. Primary and foreign keys are also visually represented by ERDs. A branch has many employees, each with its distinct characteristics. Keeping track of all employees is a time-consuming task, so ERDs assist us in maintaining proper records.