Master Hibernate and JPA with Spring Boot in 100 Steps - Step 66 - Spring Data JPA Repository - CRUD Methods

The video tutorial provides an in-depth look at the Spring Data Repository, focusing on its hierarchy and the CRUD operations it supports. It explains the role of the CRUD, Paging and Sorting, and JPA repositories, detailing their methods and functionalities. Practical examples demonstrate how to create, update, and retrieve data using these repositories, highlighting the ease of use and efficiency of Spring Data JPA.

What is the fundamental repository in Spring Data that provides basic operations on an entity?

• JPA Repository

• Paging and Sorting Repository

• Spring Data Repository

• CRUD Repository

Which method in the CRUD repository is used to check if an entity with a specific ID exists?

• deleteById

• findById

• existsById

• findAll

What additional functionality does the Paging and Sorting repository provide over the CRUD repository?

• Batch processing

• Transaction management

• Sorting and pagination

• Data validation

Which method in the JPA repository is used to perform operations in a batch?

• batchProcess

• saveAndFlush

• save

• flush

How can you create a new course using the Spring Data JPA repository?

• repository.insert()

• repository.save()

• repository.create()

• repository.add()

What method would you use to retrieve all courses from the repository?

• repository.retrieveAll()

• repository.findAll()

• repository.listAll()

• repository.getAll()

Which method is used to count the number of entities in a repository?

• repository.count()

• repository.total()

• repository.number()

• repository.size()