Master Hibernate and JPA with Spring Boot in 100 Steps - Step 17 - Implementing deleteByID JPA Repository Method

The video tutorial explains how to delete a person entity using Hibernate and JPA. It covers the process of finding a person by ID, executing the delete operation with an entity manager, and verifying the deletion in the H2 console. The tutorial highlights the simplicity of using JPA for database operations, emphasizing the ease of defining entities and mappings. The video concludes with a brief overview of the benefits of JPA in managing database interactions.

What is the first step in deleting a person entity in Hibernate?

• Retrieve the entity by its ID

• Remove the entity from the cache

• Directly call the delete method

• Use a SQL query to delete

Which method is used by the entity manager to delete an entity?

• entityManager.purge()

• entityManager.clear()

• entityManager.remove()

• entityManager.delete()

What is the return type of the 'remove' method in the entity manager?

• Boolean

• String

• Integer

• Void

How can you verify if an entity has been successfully deleted from the database?

• Check the entity cache

• Check the application logs

• Use the H2 console to query the database

• Restart the application

What does JPA simplify in terms of database interaction?

• Writing complex SQL queries

• Defining entities and mappings

• Managing database connections

• Handling network errors