Description: This application is a sample of JPA Join Table inheritance strategy (JOINED)
Key points:
- this inheritance strategy can be employed via
@Inheritance(strategy=InheritanceType.JOINED) - all the classes in an inheritance hierarchy (a.k.a., subclasses) are represented via individual tables
- by default, subclass-tables contains a primary key column that acts as a foreign key as well - this foreign key references the base class table primary key
- customizing this foreign key can be done by annotating the subclasses with
@PrimaryKeyJoinColumn
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