但是，普通模式也有一个主要的劣势：对普通模式的任何更新都需要相互关联的所有服务参与者保持同步化。
However, the common schema has one major disadvantage: any update to the common schema requires synchronization with all service participants that depend on it.
在此实例中，我并没有针对其他与此模式相关的问题，如保持同步以确保线程安全。
In this example, I don't focus on other issues related to this pattern, such as synchronization to make it thread safe.
早期开发时，模式可能更改，您无需使映射文件与数据库保持同步。
You don't need to keep a mapping file in sync with your database during early development, when your schema might change.
早期开发时，模式可能更改，您无需使映射文件与数据库保持同步。
You don't need to keep a mapping file in sync with your database during early development, when your schema might change.
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