Needless to say, ORM (Object Relational Mapping) concept has made the developers life easier. Developers don't need to do much work in order to map two tables in the database. If we need to maintain a relationship between two tables, utilization of an annotation in our entity/class is more than sufficient. Further, we don't need to design the DB tables. However, developers need to have a better understanding of the usage of the annotations that create a relationship between two tables. Here in this article 'Entity Relationship in JPA/Hibernate/ORM', we will discuss about the different types of relations between tables that are relevant in ORM concept. Let's start discussing our topic ‘Entity Relationship in JPA/Hibernate/ORM’ and its related concepts. Some of the