# Spring Data Repositories (Spring Boot)

> Spring Data repositories, CrudRepository vs JpaRepository, özel sorgular, @EntityGraph, projeksiyonlar

- 25 mülakat soruları
- Mid-Level
- [Mülakat Soruları: Spring Boot](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari.md)

## 1. JpaRepository ve CrudRepository arasındaki temel fark nedir?

**Cevap**

JpaRepository hem CrudRepository hem de PagingAndSortingRepository'yi genişletir ve flush(), saveAndFlush() ve deleteInBatch() gibi JPA'ya özgü metotlar ekler. CrudRepository yalnızca temel CRUD işlemlerini (save, findById, delete) sağlar. JpaRepository kullanmak, birden fazla arabirimi birleştirmeye gerek kalmadan tüm gelişmiş JPA özelliklerine erişim sağlar.

## 2. Repository hiyerarşisinde PagingAndSortingRepository'nin rolü nedir?

**Cevap**

PagingAndSortingRepository, sayfalama ve sıralama için findAll(Pageable) ve findAll(Sort) metotlarını ekleyerek CrudRepository'yi genişletir. Bu, Page/Slice ile verilerin sayfalar halinde alınmasını ve sonuçların sıralanmasını sağlar. JpaRepository bu arabirimi genişletir ve böylece sayfalama, sıralama ve JPA'ya özgü özellikleri tek bir arabirimde sunar.

## 3. Spring Data repository arabirimlerinin doğru hiyerarşisi nedir?

**Cevap**

Doğru hiyerarşi şudur: Repository (temel) → CrudRepository (CRUD) → PagingAndSortingRepository (sayfalama/sıralama) → JpaRepository (JPA'ya özgü). Her seviye özellik ekler: CrudRepository save/delete ekler, PagingAndSortingRepository sayfalama/sıralama ekler ve JpaRepository flush/batch ekler. Bu mimari, gereken özellik seviyesinin seçilmesine olanak tanır.

## 22 soru daha mevcut

- Hangi JpaRepository metodu, değişiklikleri veritabanıyla anında senkronize etmeyi sağlar?
- Hangi durumda JpaRepository yerine CrudRepository tercih edilmelidir?

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## Diğer Spring Boot mülakat konuları

- [Spring Core - IoC & DI](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-core-ioc-di.md): 22 soru, Junior
- [Spring Boot Auto-Configuration](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-auto-configuration.md): 20 soru, Junior
- [Spring Boot Starters](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-starters.md): 18 soru, Junior
- [Application Properties & YAML](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/application-properties-yml.md): 16 soru, Junior
- [SLF4J ve Logback ile Logging](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/logging.md): 20 soru, Junior
- [Spring Boot DevTools](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-devtools.md): 15 soru, Junior
- [Spring MVC Basics](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-mvc-basics.md): 20 soru, Mid-Level
- [Spring REST Controllers](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-rest-controllers.md): 20 soru, Mid-Level
- [Request & Response Handling](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/request-response-handling.md): 20 soru, Mid-Level
- [İstisna Yönetimi](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/exception-handling.md): 25 soru, Mid-Level
- [Bean Validation](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/bean-validation.md): 25 soru, Mid-Level
- [Spring Data JPA Temelleri](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-data-jpa-basics.md): 25 soru, Mid-Level
- [JPA Varlıkları ve İlişkiler](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/jpa-entities-relationships.md): 30 soru, Mid-Level
- [JPA Sorguları](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/jpa-queries.md): 30 soru, Mid-Level
- [Spring Security Temelleri](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-security-basics.md): 25 soru, Mid-Level
- [Spring Boot Actuator](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-actuator.md): 20 soru, Mid-Level
- [JUnit ve Mockito ile Birim Testleri](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/testing-junit-mockito.md): 30 soru, Mid-Level
- [Spring Boot Test](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-testing.md): 30 soru, Mid-Level
- [Profiles ve Environment](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/profiles-environment.md): 20 soru, Mid-Level
- [RestTemplate ve WebClient](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/resttemplate-webclient.md): 24 soru, Mid-Level
- [Async ve Scheduling](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/async-scheduling.md): 25 soru, Mid-Level
- [Spring ile Caching](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/caching.md): 25 soru, Mid-Level
- [Spring WebFlux (Reactive)](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-webflux.md): 25 soru, Mid-Level
- [Spring İşlemleri](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/transactions.md): 30 soru, Senior
- [Gelişmiş kimlik doğrulama ve yetkilendirme](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/authentication-authorization.md): 30 soru, Senior
- [JWT ve Stateless Güvenlik](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/jwt-stateless-security.md): 20 soru, Senior
- [OAuth2 ve Authorization Server](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/oauth2-authorization-server.md): 20 soru, Senior
- [Spring Boot ve Docker](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-boot-docker.md): 19 soru, Senior
- [Spring ile Microservices](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/microservices-basics.md): 25 soru, Senior
- [Spring Cloud Config](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/spring-cloud-config.md): 19 soru, Senior
- [Performans Optimizasyonu](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/performance-optimization.md): 30 soru, Senior
- [GraalVM Native Images](https://sharpskill.dev/tr/technologies/spring-boot/mulakat-sorulari/graalvm-native-images.md): 20 soru, Senior

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