2022-03-25-TIL

2022-03-25-TIL

Today I Learned

Entity 중복

한 테이블에 대해서 용도에 따라 여러개의 중복된 엔티티를 가지는게 나은가? 아니면 엔티티 중복을 하지않도록 현재는 불필요하지만 완전히 테이블과 1대1 매핑되는 엔티티를 하나만 가지도록 하는게 나을까?

@GeneratedValue를 사용해야 하는가?

• https://www.baeldung.com/jpa-strategies-when-set-primary-key
• https://coding-start.tistory.com/71
• https://www.jpa-buddy.com/blog/the-ultimate-guide-on-db-generated/
• https://dzone.com/articles/the-ultimate-guide-on-db-generated-ids-in-jpa-enti
• https://www.baeldung.com/jpa-get-auto-generated-id

Composite Key

• https://weblogs.sqlteam.com/jeffs/2007/08/23/composite_primary_keys/
• https://stackoverflow.com/questions/11586986/advantages-and-disadvantages-of-having-composite-primary-key

JPA Entity without Id

• https://stackoverflow.com/questions/3820897/jpa-entity-without-id

@Valid

• https://appsnuri.tistory.com/115

Java 17

• https://velog.io/@riwonkim/Java-17%EB%A1%9C-%EC%A0%84%ED%99%98%EC%9D%84-%EA%B3%A0%EB%A0%A4%ED%95%B4%EC%95%BC-%ED%95%98%EB%8A%94-%EC%9D%B4%EC%9C%A0
• https://www.youtube.com/watch?v=GJB-RyHKHjY
• https://www.youtube.com/watch?v=7SlDdzVk6GE

Skipping Tests with Maven

• https://www.baeldung.com/maven-skipping-tests
• http://blog.iotinfra.net/?p=1707
• https://brocess.tistory.com/148

MediaInfo

• https://aws.amazon.com/ko/blogs/media/running-mediainfo-as-an-aws-lambda-function/

MySQL Architecture

• https://www.geeksforgeeks.org/architecture-of-mysql/