First, how do you use the non-standard Key when porting your model to an RDBMS?

首先，把模型移植到RDBMS时，如何使用非标准Key ？

youdao

Type: The Linux key retention service defines two standard key types: user and keyring.

类型（Type）：Linux 密钥保留服务定义两个标准密钥类型：user 和 keyring。

youdao

The standard key expected controls will not always be relevant and may have to be adapted to the particular system that is reviewed.

标准的预计控制并非总是与实际相关，有必要时应当根据被审核系统的特殊情况加以调整。

youdao

You might have to hold the Shift key or something like that, but they're standard keys.

你可能要按住Shift键或什么键，但他们是标准键。

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It features a ring of RGB LEDs for feedback and a standard physical key for backup.

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