Spring Boot with Hibernate — Spring Technical Interview Questions & Answers

Hibernate as the default JPA provider.

Spring Boot with Hibernate

  • Hibernate is the popular JPA engine Boot uses to map objects to tables.
  • You work with entities; Hibernate generates SQL.
  • ddl-auto settings can create/update schema in dev (be careful in prod).
  • Know first-level cache basics and lazy loading pitfalls at interview level.
  • Turning ddl-auto=update loose in production without a migration tool.
  • Boot + JPA usually means Hibernate under the hood.

Technical Interview Tip: Hibernate implements JPA in most Boot apps.

Code Examples for Spring Boot with Hibernate

Spring Boot with Hibernate — working example

// application.properties
spring.datasource.url=jdbc:h2:mem:prep
spring.datasource.username=sa
spring.datasource.password=
spring.flyway.enabled=true

// JDBC sketch
// jdbcTemplate.query("SELECT id, email FROM users", mapper);

// Thymeleaf view name "home" -> templates/home.html
// <p th:text="${message}">msg</p>

Spring Boot with Hibernate — boot wires DataSource/JDBC/Flyway from properties; Thymeleaf renders server-side HTML templates.

How to Explain Spring Boot with Hibernate to an Interviewer

What is Boot with Hibernate (sb db)?

Used for Student entity H2 / MySQL Not just the heading

Give one small example of Boot with Hibernate (sb db).

@Entity + JpaRepository Hibernate as the default JPA provider

What mistake do beginners make with Boot with Hibernate (sb db)?

LazyInitializationException after the session closes Show the fix

Where do you use Boot with Hibernate (sb db)?

H2 / MySQL Student entity