#76 🔗 Entity Relationships | @OneToMany Annotation in Spring Boot
3IA Community
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#76 🔗 Entity Relationships | @OneToMany Annotation in Spring Boot
39 просмотров · 7 дн. назад
3IA Community
380 подписчиков
39 просмотров · 7 дн. назад
#76 🔗 Entity Relationships | @OneToMany Annotation in Spring Boot
📝 Description
In this video, we continue our Spring Boot training with the 3IA Community by exploring the @OneToMany annotation in Spring Data JPA.
After studying @ManyToOne, we learn how to establish a bidirectional relationship between Category and Product entities to retrieve the products associated with a category.
We also cover the FetchType.EAGER and FetchType.LAZY loading strategies, as well as resolving the LazyInitializationException error using the @Transactional annotation.
📚 What's On
Introduction to the @OneToMany annotation
One-way and two-way relationships
Understanding the role of mappedBy
FetchType.EAGER and FetchType.LAZY loading strategies
Understanding the LazyInitializationException error
Resolving it with the @Transactional annotation
Hands-on demonstration with Spring Data JPA, Hibernate, and MySQL
💻 GitHub: Source code
🔗 https://github.com/3ia-community/Form...
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🔎Hashtags
#SpringBoot #SpringDataJPA #Hibernate #OneToMany #ManyToOne #LazyInitializationException #Transactional #FetchType #Java #MySQL #JPA #SpringFramework #FormationSpringBoot #3IACommunity