Spring Boot Persistence Best Practices: Optimize Java Persistence Performance in Spring Boot Applications

© Anghel Leonard 2020

A. LeonardSpring Boot Persistence Best Practiceshttps://doi.org/10.1007/978-1-4842-5626-8_15

15. Inheritance

Anghel Leonard¹ 

(1)

Banesti, Romania

 

Item 138: How to Efficiently Use Single Table Inheritance

The single table inheritance is the default JPA strategy. Conforming to this strategy, all the classes in an inheritance hierarchy are represented via a single table in the database.

Consider the inheritance hierarchy given in Figure 15-1.

Figure 15-1

Single table inheritance Domain Model

Between Author and Book there is a bidirectional lazy @OneToMany association. The Author entity can be seen as the root class, since without authors ...