(Optional) Used to specify or control the generation of a foreign key constraint when table generation is in effect. If both this element and the
foreignKey element of any of the MapKeyJoinColumn elements are specified, the behavior is undefined. If no foreignKey annotation element is specified in either location, a default foreign key strategy is selected by the persistence provider.- Default:
- @ForeignKey(PROVIDER_DEFAULT)
- Since:
- Jakarta Persistence (JPA) 2.1