Spring Data JPA

Supported keywords inside method name: 
https://docs.spring.io/spring-data/jpa/docs/current/reference/html/#jpa.query-methods.query-creation

https://spring.io/guides/gs/accessing-data-jpa/

https://spring.io/guides/gs/accessing-data-mysql/ 

https://attacomsian.com/blog/spring-data-jpa-one-to-many-mapping