orm 364

  1. What is the N+1 SELECT query issue?
  2. What's the difference between JPA and Hibernate?
  3. Difference between FetchType LAZY and EAGER in Java Persistence API?
  4. object references an unsaved transient instance - save the transient instance before flushing
  5. JPA JoinColumn vs mappedBy
  6. Hibernate show real SQL
  7. Which ORM should I use for Node.js and MySQL?
  8. Conversion of a datetime2 data type to a datetime data type results out-of-range value
  9. How to print a query string with parameter values when using Hibernate
  10. Default value in Doctrine
  11. What's the best strategy for unit-testing database-driven applications?
  12. Infinite Recursion with Jackson JSON and Hibernate JPA issue
  13. Good PHP ORM Library?
  14. Any good ORM tools for Android development?
  15. Doctrine2: Best way to handle many-to-many with extra columns in reference table
  16. What Java ORM do you prefer, and why?
  17. Entity Framework Code First - two Foreign Keys from same table
  18. Using an ORM or plain SQL?
  19. What are some good Python ORM solutions?
  20. Get the query executed in Laravel 3/4
  21. Hibernate vs JPA vs JDO - pros and cons of each?
  22. Is there a way to call a stored procedure with Dapper?
  23. How to map a composite key with Hibernate?
  24. Map enum in JPA with fixed values?
  25. What is lazy loading in Hibernate?
  26. Django queries - id vs pk
  27. Add a custom attribute to a Laravel / Eloquent model on load?
  28. Why do we need entity objects?
  29. What is an ORM and where can I learn more about it?
  30. Performing Inserts and Updates with Dapper
  31. Entity Framework .Remove() vs. .DeleteObject()
  32. How to persist a property of type List<String> in JPA?
  33. Doctrine - How to print out the real sql, not just the prepared statement?


  34. hibernate exception: org.hibernate.AnnotationException: No identifier specified for entity: com..domain.idea.MAE_MFEView
  35. PHP ORMs: Doctrine vs. Propel
  36. LINQ To Entities does not recognize the method Last. Really?
  37. JPA CascadeType.ALL does not delete orphans
  38. NHibernate vs LINQ to SQL
  39. Spring Data-JPA versus JPA: What's the difference?
  40. Entity Framework 4 vs NHibernate
  41. What is the difference between persist() and merge() in Hibernate?
  42. Laravel - Eloquent “Has”, “With”, “WhereHas” - What do they mean?
  43. How can you do paging with NHibernate?
  44. Hibernate Annotations - Which is better, field or property access?
  45. How Pony (ORM) does its tricks?
  46. Do I need <class> elements in persistence.xml?
  47. What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
  48. Are there good reasons not to use an ORM?
  49. JPQL IN clause: Java-Arrays (or Lists, Sets…)?
  50. What is the difference between an ORM and an ODM?