Hibernate-Mappings Examples with Spring Data JPA

JPA Entity Relationships(Mappings), ex- @OneToOne, @ManyToOne etc.

No need to setup external Relational DB, H2 in-memory database used that supports JDBC API and R2DBC access, with a small (2mb) footprint.

H2 Console

Description

Data can be inserted using the below endpoints and JSON to save data availabe here

• /api/emp/create - Insert data into @OneToOne relation
• /api/tchr/create - Insert data into @OneToMany relation. Just for demonstration, data will be automatically populated into the table with @OneToMany relation using CommandLineRunner
• /api/movie/create- Insert data into @ManyToMany relation

The application will be starting on port 8082 and the port can be changed from here

Libraries used

• Spring Boot
• Spring Data JPA with Hibernate
• H2

Tools used

• Git 2.24.0
• IntelliJ IDEA 2021.1.1.1
• Gradle