jpa 610

  1. JPA EntityManager: Why use persist() over merge()?
  2. What's the difference between JPA and Hibernate?
  3. Difference between FetchType LAZY and EAGER in Java Persistence API?

  4. JPA JoinColumn vs mappedBy
  5. Create the perfect JPA entity
  6. Hibernate cannot simultaneously fetch multiple bags
  7. What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
  8. The JPA hashCode() / equals() dilemma
  9. Why does JPA have a @Transient annotation?
  10. Hibernate SessionFactory vs. EntityManagerFactory
  11. Setting default values for columns in JPA
  12. JPA fastest way to ignore a field during persistence?
  13. Making a OneToOne-relation lazy
  14. Hibernate vs JPA vs JDO - pros and cons of each?
  15. Spring Boot - Cannot determine embedded database driver class for database type NONE
  16. Map enum in JPA with fixed values?
  17. Make hibernate ignore class variables that are not mapped
  18. In a bidirectional JPA OneToMany/ManyToOne association, what is meant by “the inverse side of the association”?
  19. JPA @ManyToOne with CascadeType.ALL
  20. JPA OneToMany not deleting child
  21. JPA/Hibernate: detached entity passed to persist
  22. How to persist a property of type List<String> in JPA?
  23. No Persistence provider for EntityManager named
  24. JPA 2.0 orphanRemoval=true VS on delete Cascade
  25. hibernate exception: org.hibernate.AnnotationException: No identifier specified for entity: com..domain.idea.MAE_MFEView
  26. Mapping many-to-many association table with extra column(s)
  27. How to view the SQL queries issued by JPA?
  28. JPA CascadeType.ALL does not delete orphans
  29. @UniqueConstraint annotation in Java
  30. How does Spring Data JPA differ from Hibernate for large projects?
  31. @Column(s) not allowed on a @ManyToOne property
  32. JPA : How to convert a native query result set to POJO class collection
  33. What is the difference between persist() and merge() in Hibernate?
  34. org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set
  35. JPA “@JoinTable” annotation
  36. How to load lazy fetched items from Hibernate/JPA in my controller
  37. Correct use of flush() in JPA/Hibernate
  38. Hibernate Annotations - Which is better, field or property access?
  39. Can javax.persistence.Query.getResultList() return null?
  40. JPA: what is the proper pattern for iterating over large result sets?
  41. Do I need <class> elements in persistence.xml?
  42. Hibernate JPA Sequence (non-Id)
  43. ConcurrentModificationException and a HashMap
  44. What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
  45. JPA getSingleResult() or null
  46. Please explain about: insertable=false, updatable=false
  47. Java Persistence / JPA: @Column vs @Basic
  48. Why is Hibernate Open Session in View considered a bad practice?
  49. Which annotation should I use: @IdClass or @EmbeddedId
  50. How do I update an entity using spring-data-jpa?