You use the active record pattern to wrap relational database persistence methods in domain classes.

活动记录模式则可用来在域类内包装关系数据库持久性方法。

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In this case, we will follow the Active Record pattern and wrap a database row with a class capable of all database operations. Its code is shown below.

在本例中，我们将遵循active Record模式并用能够执行所有数据库操作的类封装数据库行。

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In this case, we will follow the Active Record pattern and wrap a database row with a class capable of all database operations. Its code is shown below.

在本例中，我们将遵循active Record模式并用能够执行所有数据库操作的类封装数据库行。

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