#2 Hibernate Tutorial in Hindi | Connection Explained | EntityManagerFactory & EntityManager

Welcome to CodeHunt’s Hibernate–JPA Tutorial in Hindi!
In this video, we dive into one of the most important core concepts of JPA — how the database connection is created and managed using EntityManagerFactory and EntityManager.

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If you want to understand how Hibernate actually interacts with the database behind the scenes, this session is a must-watch.

🎯 What You’ll Learn in This Video:

✅ JPA Connection Basics

– How JPA connects with the database
– Role of persistence.xml
– What is a Persistence Unit

✅ EntityManagerFactory

– Purpose of EntityManagerFactory
– Why it is heavyweight
– How it creates EntityManagers
– When to create & when NOT to recreate it

✅ EntityManager

– What is EntityManager
– How it handles transactions
– How to perform insert, update, delete, and fetch operations
– Lifecycle of EntityManager

✅ Hibernate + JPA Connection Flow

– How Hibernate acts as the JPA provider
– How EntityManager communicates with Hibernate
– Behind-the-scenes connection management

🧠 After watching this video, you will understand:
– How JPA creates and manages database connections
– Difference between EntityManagerFactory and EntityManager
– Why proper connection handling is essential for scalable applications
– Real-world best practices

Perfect for students, backend developers, and interview preparation.

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📞 Call / WhatsApp: 8088467640

📌 Watch the Hibernate 2.0 Series Here:
👉 🔗    • Hibernate 2.0  

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