Difference Between CrudRepository and JpaRepository 📣 | Spring Boot
Both CrudRepository and JpaRepository are interfaces in the Spring Data JPA framework that provide methods to interact with a database. They have some similarities and differences in functionality:
1. CrudRepository
Purpose: Provides basic CRUD (Create, Read, Update, Delete) operations.
Methods:
save()
findById()
findAll()
deleteById()
count()
existsById()
Use Case: Suitable for simple applications where only basic CRUD functionality is required.
Interface Hierarchy: It is a base interface and does not extend any other repository interface.
2. JpaRepository
Purpose: Extends CrudRepository and adds additional JPA-specific functionality.
Methods:
Inherits all methods from CrudRepository.
Adds JPA-specific methods like:
findAll(Sort sort): Retrieve all entities sorted by a given parameter.
findAll(Pageable pageable): Supports pagination.
saveAndFlush(): Saves and immediately flushes changes to the database.
deleteInBatch(): Deletes entities in batch to improve performance.
Use Case: Ideal for more complex applications where you need advanced JPA features like pagination, sorting, and batch operations.
Interface Hierarchy: Extends both CrudRepository and PagingAndSortingRepository.
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