![]() ![]() How can you change the fetch strategy settings of any Entity attributes for individual queries (query) or search methods (find), then if Enity has an attribute with fetchType = LAZY, but for a specific query you need to make it EAGER or vice versa?.What are the options for setting the second-level cache (second-level cache) in JPA or what similarly describe what values can the shared-cache-mode element take from persistence.xml?.What are the two types of cache (cache) you know in JPA and what are they for?.What annotation can exclude fields and properties of Entity from mapping (property or field is not persistent)?.What annotations are used to set the order of issuing elements of the Entity collections?. ![]() What are callback methods in JPA for? To which entities do callback method annotations apply? List the seven callback methods (or, what is the same annotation of callback methods).What annotation can be used to define a class, the methods of which should be executed under certain JPA operations on a given Enitity or Mapped Superclass (such as deleting, changing data, etc.)?.What annotations are used to set the class for converting the basic attribute of the Entity to another type when saving / retrieving data from their base (for example, to work with the attribute of the Entity boolean type, but save it as a number to the base)?.What annotation can I manage JPA caching for this Entity?.What annotations can overlap connections (override entity relationship) or attributes inherited from the superclass, or specified in the embeddable class when using this embeddable class in one of the entity classes and do not overlap in the others?.How does the detach operation affect the Entity objects of each of the four statuses?.How does the refresh operation affect the Entity objects of each of the four statuses?.How does the operation merge affect the Entity objects of each of the four statuses?.How does the remove operation affect the Entity objects of each of the four statuses?.How does the operation persist on Entity objects of each of the four statuses?.What are the four lifecycle status of an Entity Instance’s Life Cycle you can list?.What is EntityManager and what are its main functions you can list?.What are the two types of fetch strategies in JPA do you know?.What are the three types of Inheritance Mapping Strategies described in JPA?.What types of connections (relationship) between Entity do you know (list eight types, or specify four types of connections, each of which can be further divided into two types)?.What requirements does JPA set for Embeddable classes?.Can the Embeddable class contain relationships with other Entity or Entity collections? If it can, are there any restrictions on such relationships?.Can the Embeddable class contain another Embeddable class?.What data types can be used in the attributes included in the primary key of the Entity class (composite or simple) so that the resulting primary key can be used for any database? And in the case of auto-generated primary key (generated primary keys)?.What data types are allowed in the attributes of the Entity class (fields or properties)?.What is the attribute of the Entity class in JPA terminology?.Or in other words, list two types of access (access) to the elements of the Entity classes. What are the two types of elements in Entity classes.What JPA requirements for Entity classes can you list (at least six requirements)?.Can a non-Entity class inherit from an Entity class?.Can an Entity class inherit from other Entity classes?.Can the Entity class inherit from non-Entity classes?.What is the difference between JPA and JDO?.Is it possible to use JPA with noSQl databases?.What is the difference between JPA and Hibernate?.All the best for your future and happy learning. Test your JPA knowledge by answering these tricky interview questions on Java Persistence API. Let’s start learning JPA interview questions and prepare for JPA interviews. JPA Interview Questions And Answers – Java Persistence API Interview Questions For Experienced from Codingcompiler. ![]()
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