第三种方法是把触发器逻辑转移到应用程序层，放弃触发器。

The third option is to move trigger logic to application layer and get from the trigger.

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业务处理需要转移到模型层中。

Business process needs to be moved into the model layer.

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我们也取得了相对容易的分布各个层的能力；所有“模型”逻辑可以被轻易的作为一个单元转移到单独的层。

We also get the ability to distribute the layers relatively easily; all "model" logic can easily be moved as a unit to a separate tier.

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