Trandi : https://www.erdcloud.com/d/uATLExEzPDeAYhCvu (best)
배민ERD : https://www.erdcloud.com/d/TzHsgqxPRGzWGzytR
마켓골라 : https://www.erdcloud.com/d/CbXg86onNqRwL4Wk4
관리자 분리 시스템 : https://www.erdcloud.com/d/A8SPzXyvcxr6WAZBv
HR : 부서-지역-국가 계층 : https://www.erdcloud.com/d/wk9Wy2K8DphvcMJDW
회원-강사 플랫폼 : https://www.erdcloud.com/d/u9KpJBFMK3QcjRWHv
공간 클라우드 플랫폼 : https://www.erdcloud.com/d/fB5QfpimwFjrdoGRB
https://choidr.tistory.com/entry/%EB%8B%B9%EA%B7%BC-%EB%A7%88%EC%BC%93-ERD-%EC%84%A4%EA%B3%84
이유 : ????
https://www.erdcloud.com/d/FxmbEMmEL3NqBCf73
회원 ID는 탈퇴로 없어질 수 있다.