Java Persistence API is quite a specification in that it provides seamless persistence in an easy way, and is also configurable. Writing an object-relational mapping framework is not for the faint-hearted, and takes a lot of time and supreme amount of energy to get the correct operation, let alone standardize how different solutions can work together.
We shall delve deeper into building the metadata for the entity beans in order to get the best out of JPA for our professional project requirements, starting with the mapping of entities to the database table.
We learnt that by simply applying the
@Entity annotation to a POJO, we could turn it into a persistence ...