Master Microservices with Spring Boot and Spring Cloud - Step 6 – Defining a Service to Manage the Entity – UserService

The video tutorial explains how to manage and save user entities to a database using an Entity Manager. It covers creating a User DAO Service, implementing a save method, and managing transactions with JPA. The tutorial also delves into the concept of persistence context and how it relates to entity tracking, emphasizing the importance of annotations like @Transactional and @PersistenceContext.

What is the primary role of a User DAO service in the context of database management?

• To manage user interface design

• To provide network security

• To access and manage data from the database

• To handle user authentication

Which method is used by the entity manager to save an entity to the database?

• save

• commit

• store

• persist

In the Spring Framework, what is the purpose of a repository?

• To manage user sessions

• To interact with the database

• To handle HTTP requests

• To provide logging services

What is the significance of the persistence context in JPA?

• It tracks changes to persisted objects

• It handles network connections

• It provides data encryption

• It manages user authentication

Which annotation is used to ensure that an entity manager is autowired in JPA?

• @PersistenceUnit

• @Entity

• @Autowired

• @PersistenceContext