该命令还包括证书的别名以及用于生成密钥对的算法规范和密钥大小。

The command also includes an alias for the certificate, along with the specification of the algorithm and key size used to generate the key pair.

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我们看到，用于列出目录内容的ls命令是一个别名。

We saw that the ls command, used for listing directory contents, is an alias.

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注意，这些命令利用了新的CREATE OR replace语法，此语法适用于函数、过程、视图、模块、别名、触发器、变量和昵称。

Note that the commands take advantage of the new CREATE OR REPLACE syntax that is applicable to functions, procedures, views, modules, aliases, triggers, variables, and nicknames.

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