매일메일 개념정리

1.JPA의 N+1 문제

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2.엔티티 매니저(Entity Manager)란?

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3.Spring Data JPA에서 새로운 Entity인지 판단하는 것이 중요한 이유

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4.Spring Data JPA에서 새로운 Entity인지 판단하는 방법

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5.JPA의 ddl-auto 옵션은 각각 어떤 동작을 하고 어떤 상황에서 사용해야 할까요?

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6.일급 컬렉션(First-Class Collection)이란?

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7.데이터베이스 인덱스(Database Index)란?

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8.트랜잭션(Transaction)이란?

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9.트랜잭션 격리 수준(Transaction Isolation Level)

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10.Checked Exception과 Unchecked Exception

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11.얕은 복사(Shallow Copy)와 깊은 복사(Deep Copy)

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12.TDD(Test-Driven Development)

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13.BDD(Behavior-Driven Development)

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14.로그(Log)와 메트릭(Metric)

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15.JPA에서 ID 생성 전략

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16.스키마(Schema)

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17.데이터베이스 언어(Database Language)

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18.동기(Synchronous)와 비동기(Asynchronous)

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19.요청(Request)과 응답(Response)

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20.HTTP(HyperText Transfer Protocol)

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21.Spring Security

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22.운영체제(OS, Operating System)

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23.공유 락(Shared Lock)과 배타 락(Exclusive Lock)

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24.Spring과 Spring Boot 기초

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25.Thread, Process, Core

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26.Reflection

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27.Entity, Repository

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28.TCP 3-Way Handshake

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29.Spring Core

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30.오픈 소스 운영체제(Open Source Operating System, OS)

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31.Spring MVC(Model-View-Controller)

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32.CI/CD

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33.소프트웨어 개발 3대 원칙 (KISS, YAGNI, DRY)

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34.Thymeleaf

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35.데이터베이스 시스템에서 동시성과 동시성 제어

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36.API(Application Programming Interface)

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37.REST API(Representational State Transfer Application Programming Interface)

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38.HTTP 메소드와 멱등성(Idempotency)

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39.Spring Bean

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40.영속성(Persistence) & JPA(Java Persistence API)

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41.Principal과 @EnableMethodSecurity(prePostEnabled = true), @PreAuthorize("isAuthenticated()")

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42.사용자 정보를 담는 위치

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43.Spring Boot Validation

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44.데이터 접근

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45.스택(Stack)

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46.큐(Queue)

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47.Deque(Double-Ended Queue)

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48.Web Server와 WAS

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49.DB Replication(데이터베이스 복제)

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50.바이너리 로그(Binary Log) 저장 방식

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51.HTTPS (Hypertext Transfer Protocol Secure)

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52.ModelAttribute

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53.BindingResult

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54.String str = "hello"에서 hello는 어디에 저장이 되나요?

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55.Spring Boot Actuator

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56.IoC 컨테이너

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57.Lazy Loading(지연 로딩)

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58.초기화 문제(LazyInitializationException)

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59.OSIV (Open Session in View)

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60.XSS (Cross-Site Scripting)

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61.HTTP Only 쿠키

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62.Swagger

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63.SpringDoc

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64.HMAC와 RSA의 암호화 방식: 대칭키와 비대칭키 차이 이해

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65.JWT (JSON Web Token)

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66.캐시(Cache)와 캐싱 전략

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67.Java, Spring, Spring boot Coding Conventions

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68.localStorage

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69.Java 8 vs Java 11 vs Java 17 vs Java 21

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70.@Slf4j 어노테이션

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71.Redis

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72.resultCode 타입

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73.Record

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74.터미널(Terminal)과 셸(Shell)

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75.URI, URL, URN

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76.Hash와 Hash Collision

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77.Spring Batch

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78.인 메모리 데이터베이스 (In-Memory Database)

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79.디스크 기반 데이터베이스(Disk-Based Database)

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80.JUnit

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81.JVM(Java Virtual Machine) Language

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82.함수형 프로그래밍 (Functional Programming)

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83.객체 지향 프로그래밍 (Object-Oriented Programming, OOP)

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84.SSE (Server-Sent Events)

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85.전자정부프레임워크

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86.싱글톤(Singleton)

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87.IOException

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88.Bash 명령어

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89.코드 리팩토링(Code Refactoring)

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90.ResponseEntity<T>

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91.MySQL Replication

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92.CORS

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93.NGINX Proxy Manager

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