Master Microservices with Spring Boot and Spring Cloud - Step 9 – Introduction to Spring Data JPA

What is a major drawback of using DAO services for multiple entities?

• They are too fast to implement.

• They do not support CRUD operations.

• They require writing similar logic repeatedly for each entity.

• They are not compatible with databases.

How does Spring Data JPA help in managing entities?

• By eliminating the need for databases.

• By automatically implementing repository interfaces.

• By using XML configuration files.

• By providing a graphical user interface.

What is the first step in creating a repository using Spring Data JPA?

• Writing SQL queries.

• Creating a new interface.

• Creating a new class.

• Implementing the repository interface.

Which interface must be extended to create a repository in Spring Data JPA?

• EntityManager

• CrudRepository

• JpaRepository

• DataRepository

What is the primary key type used in the example for the user entity?

• String

• Integer

• Long

• Double

What method is used to save or update an entity using the user repository?

• persist

• remove

• merge

• save

What is a key advantage of using a user repository over a DAO service?

• It does not support updates.

• It is slower in execution.

• It provides a common abstraction for entity operations.

• It requires more code.