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🗄️ Hibernate ORM Learning Repository

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Master Java Persistence with Hibernate ORM Framework

A comprehensive collection of Hibernate projects covering fundamentals to advanced ORM concepts

Explore Projects · Get Started · Contribute

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📖 Table of Contents

• About
• Projects
• Technologies
• Getting Started
• Learning Path
• Contributing
• Contact

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🎯 About

This repository serves as a complete learning resource for mastering Hibernate ORM (Object-Relational Mapping) in Java. Whether you're a beginner looking to understand the basics of database persistence or an experienced developer exploring advanced mapping techniques, this repository has you covered.

What You'll Learn

• ✅ Entity Mapping - Map Java objects to database tables
• ✅ CRUD Operations - Create, Read, Update, Delete with Hibernate
• ✅ HQL Queries - Hibernate Query Language fundamentals
• ✅ Association Mappings - One-to-One, One-to-Many, Many-to-Many
• ✅ Inheritance Mapping - Table per class, Single table, Joined strategies
• ✅ Caching Mechanisms - First-level and second-level cache
• ✅ Transaction Management - ACID properties implementation

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📁 Projects

🔰 Sample-1: Hibernate Fundamentals

The foundational project covering essential Hibernate concepts:

| Topic | Description | |-------|-------------| | Entity Mapping | Basic @Entity, @Table, @Column annotations | | Session Factory | Configuration and session management | | CRUD Operations | Persist, merge, remove, and find operations | | HQL Basics | Simple queries using Hibernate Query Language |

🚀 Sample-2: Advanced Hibernate Concepts

Deep dive into complex Hibernate features:

| Topic | Description | |-------|-------------| | Association Mapping | @OneToOne, @OneToMany, @ManyToMany | | Inheritance Strategies | SINGLE_TABLE, TABLE_PER_CLASS, JOINED | | Cascade Operations | CascadeType.ALL, PERSIST, MERGE | | Fetch Strategies | FetchType.LAZY vs FetchType.EAGER |

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🛠️ Technologies

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| Technology | Version | Purpose | |:----------:|:-------:|:-------:| | <img src="https://skillicons.dev/icons?i=java" width="40"/> | 8+ | Programming Language | | <img src="https://skillicons.dev/icons?i=hibernate" width="40"/> | 5.4.5 | ORM Framework | | <img src="https://skillicons.dev/icons?i=mysql" width="40"/> | 8.0+ | Database | | <img src="https://skillicons.dev/icons?i=maven" width="40"/> | 3.6+ | Build Tool |

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🚀 Getting Started

Prerequisites

• Java JDK 8+ installed
• Maven installed
• MySQL Server running
• IDE (IntelliJ IDEA / Eclipse recommended)

Installation

1️⃣ Clone the repository

git clone https://github.com/Shubh2-0/Hibernate.git
cd Hibernate

2️⃣ Create MySQL Database

CREATE DATABASE hibernate_learning;

3️⃣ Configure Database Connection

Update hibernate.cfg.xml in each project with your credentials.

4️⃣ Build and Run

cd Sample-1
mvn clean install

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📚 Learning Path

📌 Start Here
      │
      ▼
┌─────────────────┐
│   Sample-1      │ ──► Entity Mapping ──► Session Factory ──► CRUD
│   (Basics)      │
└────────┬────────┘
         │
         ▼
┌─────────────────┐
│   Sample-2      │ ──► Associations ──► Inheritance ──► Caching
│   (Advanced)    │
└────────┬────────┘
         │
         ▼
    🎉 Master Level!

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🤝 Contributing

Contributions make the open-source community amazing! Here's how you can help:

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Open a Pull Request

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📬 Contact

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Shubham Bhati - Java Developer

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⭐ Star this repository if it helped you learn Hibernate!

Keywords: Hibernate Java ORM JPA MySQL Database CRUD Entity-Mapping Spring Backend

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