### Relevant Articles: 
- [Spring Data JPA – Derived Delete Methods](https://www.baeldung.com/spring-data-jpa-deleteby)
- [JPA Join Types](https://www.baeldung.com/jpa-join-types)
- [Case Insensitive Queries with Spring Data Repository](https://www.baeldung.com/spring-data-case-insensitive-queries)
- [The Exists Query in Spring Data](https://www.baeldung.com/spring-data-exists-query)
- [Spring Data JPA Repository Populators](https://www.baeldung.com/spring-data-jpa-repository-populators)
- [Spring Data JPA and Null Parameters](https://www.baeldung.com/spring-data-jpa-null-parameters)
- [Spring Data JPA Projections](https://www.baeldung.com/spring-data-jpa-projections)
- [JPA @Embedded And @Embeddable](https://www.baeldung.com/jpa-embedded-embeddable)
- [Spring Data JPA Delete and Relationships](https://www.baeldung.com/spring-data-jpa-delete)
- [Spring Data JPA and Named Entity Graphs](https://www.baeldung.com/spring-data-jpa-named-entity-graphs)
- [Customizing the Result of JPA Queries with Aggregation Functions](https://www.baeldung.com/jpa-queries-custom-result-with-aggregation-functions)