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