In this tutorial, we dive deep into the core concepts of the EntityManager and its persistence context. You'll gain a solid understanding of essential methods like persist, merge, detach, and refresh, and how they operate within the persistence context. This video is perfect for beginners and seasoned developers looking to solidify their knowledge of JPA and Hibernate.
🔍 In This Video, You Will Learn:
1) The role and importance of the EntityManager in JPA and Hibernate.
2) How the persistence context works and its significance in managing entity states.
3) Detailed explanations of persist, merge, detach, and refresh methods.
00:00 Intro
00:47 PersistenceContext
4:20 EntityManagerFactory & EntityManager
5:54 Persist
9:36 Find
11:08 Refresh
14:32 Merge
17:23 Detach
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