一點疑惑:different from domain model and domain entity

eway發表於2004-11-24
AI
讀hibernate in action中發現了一段關於持久層的闡述，有些疑惑。
Persistence layer―The persistence layer is a group of classes and components
responsible for data storage to, and retrieval from, one or more data stores.


This layer necessarily includes a model of the business domain entities
(even if it’s only a metadata model).
疑惑在於域模型和域實體這兩個概念上，實體似乎只是一個資料表達（metadata），不知道理解對否

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