Comprehensive examples of Hibernate mapping techniques. Learn how to map complex entity relationships in JPA/Hibernate.
| Type | Annotation | Example |
|---|---|---|
| One-to-One | @OneToOne | User ↔ Profile |
| One-to-Many | @OneToMany | Department → Employees |
| Many-to-One | @ManyToOne | Employees → Department |
| Many-to-Many | @ManyToMany | Students ↔ Courses |
- ✅ Unidirectional vs Bidirectional
- ✅ Cascade operations
- ✅ Fetch types (LAZY/EAGER)
- ✅ Join columns & tables
- ✅ Mapped by attribute
Hibernate | JPA | MySQL | Maven
Keywords: Hibernate ORM Mapping OneToOne OneToMany ManyToMany JPA Entity-Relationships