JPA Inheritance - SINGLE_TABLE

Description: This application is a sample of using JPA Single Table inheritance strategy (SINGLE_TABLE).

Key points:

• this is the default inheritance strategy (@Inheritance(strategy=InheritanceType.SINGLE_TABLE))
• all the classes in an inheritance hierarchy are represented via a single table in the database
• subclasses attributes non-nullability is ensured via @NotNull and MySQL triggers
• the default discriminator column memory footprint was optimized by declaring it of type TINYINT

Output example (below is a single table obtained from 3 entities):

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