シナリオ
An expo judging platform must track expos, categories, projects, teams, judges, assignments, scores, awards, and winners.
この図に含まれるもの
図の背後にある意思決定を読み解く。
01
Surrogate keys for assignments and scores simplify references while preserving judge-project links.
02
Winner entity links Awards to Projects and supports multiple ranks per award.
Use when modeling multi-category expos where judges score projects and organizers assign awards to winning projects.