Spring Boot Full Course #3 | JPA Relationships, DTO, @Transactional, ER Diagram & Postman Testing

In this video, we continue our Spring Boot Employee CRUD project by implementing advanced JPA/Hibernate concepts used in real-time applications.

We cover complete relationship mapping using One-to-One, Many-to-One, and Many-to-Many relationships with practical examples using Employee, Address, Department, and Project entities.

We also explain DTO (Data Transfer Object), @Transactional annotation, ER Diagram understanding in MySQL, and API endpoint testing using Postman.

This video is perfect for Java Developers, Spring Boot beginners, and interview preparation for Full Stack Developer roles.

Topics Covered:

✔ One-to-One Relationship
✔ Many-to-One Relationship
✔ Many-to-Many Relationship
✔ Join Table Implementation
✔ DTO (Data Transfer Object)
✔ @Transactional Annotation
✔ Transaction Management
✔ ER Diagram in MySQL
✔ Foreign Key Relationships
✔ JPA & Hibernate Mapping
✔ Postman API Testing
✔ REST API Endpoint Validation
✔ Real-Time Spring Boot Project Implementation

Project Used:

Employee Management System using:

Java
Spring Boot
Spring Data JPA
Hibernate
MySQL
Postman
Maven

This is part of the complete Spring Boot Full Course playlist covering everything from beginner to advanced level.

Видео Spring Boot Full Course #3 | JPA Relationships, DTO, @Transactional, ER Diagram & Postman Testing канала CodeChai Studio