The patterns of the iris are translated into digital code, and stored in a PC database, along with personal information.
虹膜的模式被转译为数码,与个人信息一起储存在个人计算机数据库中。
This type of code execution is punishing to a database.
这类代码执行对于数据库来说是个负累。
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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