Master Java Web Services and REST API with Spring Boot- Step 6: Defining a Service to manage the Entity - UserService an

The video tutorial explains how to manage and persist user entities in a database using Java Persistence API (JPA). It covers creating a User DAO Service, utilizing an Entity Manager for data persistence, and managing transactions. The tutorial also delves into the concept of persistence context and how it interacts with the Entity Manager to track changes to entities.

Describe the relationship between the entity manager and the persistence context.

How does the entity manager track changes to entities?