Here is an ER diagram about the Bank App, from which you can check the data relations. An Entity Relationship Diagram (ERD) shows how entities (such as people, objects or concepts, etc.) relate to each other in a particular system. An ERD does not define business processes but graphically displays business data patterns. Here, the entity can be regarded as a noun and the relation can be considered as a verb. Learn more details from this diagram, or try to make yours with ease now.
