(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