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Spring-Study

Weekly I learned about Toby Spring

ALTER TABLE [테이블 명] 

	ADD CONSTRAINT [제약조건 이름] FOREIGN KEY(컬럼 명)

		REFERENCES [부모테이블 명](PK 컬럼 명) [ON DELETE CASCADE / ON UPDATE CASCADE];

예시

'마이페이지'에서 댓글을 클릭하면, 해당 글로 이동한다.

내가 댓글을 작성한 글이 삭제되었을 때, 오류 화면을 보여주고 싶다.

어떻게 설계하실?

유저를 삭제할때에는 어케될까?

영속성에 관하여

[10분 테코톡] 🧘‍♂️코즈의 JDBC, SQLMAPPER, ORM

이거 보세연


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Contributors

noah981107 avatar 23yong avatar myj4513 avatar

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