In the Java Persistence API (JPA), the FetchType enum is used to specify the strategy for fetching data from the database.
To show the real SQL generated by Hibernate, you can enable the show_sql property in the Hibernate configuration file (hibernate.cfg.xml).
The LazyInitializationException in Hibernate is thrown when an object that has been loaded with a "lazy" fetch type is accessed outside of a valid session.
You can use the whereIn method on a query builder instance to create an "IN" clause for a given column and values.
To print a Hibernate query string with parameter values, you can use the toString() method of the Query interface.
In a JPA entity mapping, the @JoinColumn annotation is used to specify the foreign key column for a many-to-one or one-to-one relationship.
Java Persistence API (JPA) is a specification for object-relational mapping (ORM) in Java.