JPQL Named Query

In the previous lesson, we implemented all CRUD operations except for the method corresponding to a SELECT * query. We will implement this method using a named query in Java Persistence Query Language (JPQL). A named query in JPA is a pre-defined query that is given a unique name and associated with an entity. Named queries allow us to encapsulate commonly used queries directly within our entity classes, promoting code reuse, readability, and maintainability.

A named query is defined on an entity, which in our case is the Player class. We will use the named query in a method ...