My Sql + Spring Boot JPA - One to many, many to one example

This is a simple spring boot JPA (hibernate) example. It will demonstrate how one to many, many to one mapping can be done

Below are the tables created in MySQL

create table department

(

 department_id int not null auto_increment,primary key (department_id),

 department_name  varchar(50) not null

);

create table employee

(

 employee_id int not null auto_increment, primary key (employee_id),

 employee_name varchar(50) not null, 

 department_id int not null, foreign key (department_id) references department(department_id)

);

pom.xml

application.yml

Employee.java

Department.java


EmployeeRepository.java

DepartmentRepository.java

Application.java