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■ JPA 관련 필드

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■ spring.jpa.database-platform

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■ spring.jpa.open-in-view

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■ spring.jpa.show-sql

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■ spring.jpa.hibernate.format_sql

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■ spring.jpa.hibernate.ddl_auto

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none아무것도 실행하지 않음
createSessionFactory가 시작될 때 기존테이블을 삭제 후 다시 생성
create-dropcreate와 같으나 SessionFactory가 종료될 때 drop을 실행
update변경된 스키마만 반영(제거는 하지 않음)
validate엔티티와 테이블이 정상적으로 매핑되었는지만 확인(다르면 예외 발생)
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■ DB 관련 필드

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■ logging.level.org.hibernate.type.descriptor.sql

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■ spring.datasource.initialization-mode

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■ spring.datasource.data

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■ 예제 \n ■ mysql 기준

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server:\n  shutdown: graceful\n\nspring:\n  main:\n    banner-mode: off\n  datasource:\n    url: jdbc:mysql://{host}:{port}/{db}?useSSL=false&authcommit=false\n    username: {uername}\n    password: {password}\n    driver-class-name: com.mysql.cj.jdbc.Driver\n  jpa:\n    database-platform: org.hibernate.dialect.MySQL5InnoDBDialect\n    database: mysql\n    open-in-view: false\n    show-sql: false\n    hibernate:\n      ddl-auto: none\n    properties:\n      hibernate:\n        format_sql: true\n  redis:\n    host: {host}\n    port: {port}\n    database: 0\n\nlogging:\n  level:\n    root: DEBUG
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■ h2 기준

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spring:\n  h2:\n    console:\n      enabled: true\n      path: /test\n  datasource:\n    jdbc-url: jdbc:h2:mem:default\n    driver-class-name: org.h2.Driver\n    username: sa\n    password: sa\n  jpa:\n    database-platform: org.hibernate.dialect.H2Dialect\n    database: h2\n    hibernate:\n      ddl-auto: create-drop\n    generate-ddl: true\n    defer-datasource-initialization: true
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