Hibernate quiz

Test your Hibernate knowledge with a free interactive quiz — 24 questions with answers and explanations. No signup needed to play.

What is the difference between `FetchType.LAZY` and `FetchType.EAGER`?

1. What is the difference between `FetchType.LAZY` and `FetchType.EAGER`?
2. What is `hibernate.hbm2ddl.auto` (or Spring Boot's `spring.jpa.hibernate.ddl-auto`) used for?
3. What is Hibernate?
4. What is a `SessionFactory` (Hibernate-specific) or `EntityManagerFactory` (JPA-standard)?
5. What is Hibernate's "dirty checking"?
6. What does `@OneToMany` describe?
7. What does `@Entity` mark?
8. How do you save a new entity to the database?
9. What is HQL (Hibernate Query Language)?
10. What is JPA?
11. What is `@Transactional` (Spring) or a JPA `EntityTransaction` used for?
12. What does `session.get()`/`entityManager.find()` do?

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