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_1

1. Associations

Anghel Leonard¹ 

(1)

Banesti, Romania

 

Item 1: How to Effectively Shape the @OneToMany Association

The bidirectional @OneToMany association is probably the most encountered association in our Domain Model. Based on this statement, this book takes advantage of this association in a significant number of examples.

For a supersonic guide to association efficiency, check out Appendix B.

Consider two entities, Author and Book, involved in a bidirectional lazy @OneToMany association. In Figure 1-1, you can see the corresponding @OneToMany table relationship.

Figure 1-1

The @OneToMany table relationship

So, the author table has a @OneToMany ...