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hibernate-006: Unidirectional One-to-Many and Many-to-One in Hibernate (Department ↔ Employee)
Unidirectional One-to-Many and Many-to-One using Department and Employee Tables I'll show you both unidirectional approaches: Unidirectional @OneToMany → The Department entity knows about Employee, but Employee does NOT know about Department. Unidirectional @ManyToOne → The Employee entity knows about Department, but Department does NOT know about Employee. 1️⃣ Unidirectional @OneToMany (Not Recommended - Uses Extra Join Table)
Unidirectional One-to-Many and Many-to-One using Department and Employee Tables
I'll show you both unidirectional approaches:
-
Unidirectional
@OneToMany→ TheDepartmententity knows aboutEmployee, butEmployeedoes NOT know aboutDepartment. -
Unidirectional
@ManyToOne→ TheEmployeeentity knows aboutDepartment, butDepartmentdoes NOT know aboutEmployee.
1️⃣ Unidirectional @OneToMany (Not Recommended - Uses Extra Join Table)
