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discriminator 약간 단어가 어렵습니다 해석하자면 판별장치 이런 뜻인데요 저장된 데이터가 어떤 종류의 데이터인지 판별하는 그런 의미를 담고 있다고 볼수 있겠습니다 https://mongoosejs.com/docs/discriminators.html Mongoose v7.0.4: Discriminators Discriminators are a schema inheritance mechanism. They enable you to have multiple models with overlapping schemas on top of the same underlying MongoDB collection. Suppose you wanted to track different types of events in..