Tutorial by Examples

Multiplicity in Entity Relationships Multiplicities are of the following types: One-to-one: Each entity instance is related to a single instance of another entity. One-to-many: An entity instance can be related to multiple instances of the other entities. Many-to-one: multiple instances of an ...

When mapping many-to-many relationships in JPA, configuration for the table used for the joining foreign-keys can be provided using the @JoinTable annotation: @Entity public class EntityA { @Id @Column(name="id") private long id; [...] @ManyToMany @JoinTable(name=...