JPA

JPA 연습 과정을 노션에 기록합니다. : https://invited-softball-75b.notion.site/JPA-520e8ad09b1d426db7d4403805047f04

1. Hibernate 이용

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2. EntityManager

   a. tx.commit(); em.clear(); em.close();

   b. flush();

   c. persist(); detach();

   d. merge();

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3. Mapping

   a. @OneToOne

   b. @ManyToOne | @OneToMany

   c. @ManyToMany

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4. Proxy

   a. fetch

   b. cascade

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