"Mastering Spring Data JPA: Essential CRUD Operations You Need to Know!"
Spring Data JPA is a Spring abstraction layer on top of JPA that simplifies data access by eliminating boilerplate code.
Internally, Spring Data JPA uses Hibernate (or another JPA provider).
Key Responsibilities
Auto-implements repository methods
Generates queries from method names
Simplifies pagination, sorting, auditing
Reduces DAO & boilerplate code
Integrates seamlessly with Spring Boot
save() - to save new entity
save() - to update existing entity
saveAll() - to save multiple entities
findById() - to get entity by id
findAll() - to fetch list of entities
deleteById() - to delete entity by id
delete() - to delete entity
,...etc
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