JDBC Notes and Code Files 📝

A complete and structured repository for learning Java Database Connectivity (JDBC) with step-by-step notes, code files, and interview questions.
Created while following a high-quality YouTube playlist—resources are neatly organized for fast revision and end-to-end preparation.

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📑 Table of Contents

• Project Structure
• Learning Resources
• JDBC Architecture Diagram
• Contents Covered
• Projects Built
• Getting Started
• Contributing

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📁 Project Structure

JDBC-Java-Database-Connectivity/
│  
├── All Together Code ( Except Major Projects )/
├── Extra
├── Lecture 01/
├── Lecture 02/
├── Lecture 03/
├── Lecture 04/
├── Lecture 05/
├── Lecture 06/
├── Lecture 07/
├── Lecture 08/
├── Lecture 09 Hotel Management System/
├── Lecture 10/
├── Lecture 11/
├── Lecture 12/
├── Lecture 13/
├── Lecture 14 Banking Management System/
├── Lecture 15 Hospital Management System/
│
└── README.md

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📚 Learning Resources

• YouTube Playlist (Follow along):
  ▶️ JDBC YouTube Playlist

• PDF Notes:
  📄 Download Notes

• Interview Questions:
  ❓ Interview Questions Folder

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🧩 JDBC Architecture Diagram

            +------------------------+
            |      Java App          |
            +-----------+------------+
                        |
                        |  JDBC API
                        v
          +-------------+-------------+
          |     JDBC Driver Manager   |
          +-------------+-------------+
                        |
                        |  Driver Communication
                        v
          +-------------+-------------+
          |   JDBC Driver (MySQL,     |
          |     Oracle, etc.)         |
          +-------------+-------------+
                        |
                        |  SQL Queries / Results
                        v
            +-----------+------------+
            |     Database Server    |
            +------------------------+

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✨ Contents Covered

• Database Connections: Connecting Java with MySQL/Oracle using DriverManager.
• SQL Execution:
  • Statement
  • PreparedStatement
  • CallableStatement
• Transactions: Managing commit(), rollback(), and transaction handling.
• ResultSet Navigation: Reading and iterating over result sets.
• Exception Handling: Best practices for catching and managing SQL exceptions.
• Interview Folder: Resources to prepare for JDBC-based interviews.

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🏗️ Projects Built

• 🏨 Hotel Management System
  https://github.com/AnuprashGautam/Hotel-Management-System

• 🏦 Banking Management System
  https://github.com/AnuprashGautam/Banking-Management-System

• 🏥 Hospital Management System
  https://github.com/AnuprashGautam/Hospital-Management-System

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🚀 Getting Started

Clone the repository:

git clone https://github.com/AnuprashGautam/JDBC-Java-Database-Connectivity

Open the project in your favorite IDE and start exploring the code files and notes.

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🤝 Contributing

Contributions are always welcome!
You can contribute by:

• Improving notes
• Adding new interview questions
• Providing sample JDBC programs
• Fixing bugs or enhancing code

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Happy Learning & Happy Coding! 😃