This parameter sets the name of the password file being created. You must specify the
full path name for the file. The contents of this file are encrypted, and the file cannot be
read directly. This parameter is mandatory.

The types of filenames allowed for the password file are operating system specific.
Some operating systems require the password file to adhere to a specific format and be
located in a specific directory. Other operating systems allow the use of environment
variables to specify the name and location of the password file. For name and location
information for the Unix and Linux operating systems, see Administrator's Reference for
UNIX-Based Operating Systems. For Windows, see Platform Guide for Microsoft Windows.
For other operating systems, see your operating system documentation.

If you are running multiple instances of Oracle Database using Oracle Real
Application Clusters, the environment variable for each instance should point to the
same password file.

orapwd参数之 : FILE
1. 指定密码文件的名称, 该参数的必须的 .密码文件是加密的 , 不能直接读取
2. 不同的操作系统有不同的命名方法 , 有的需要指定路径 , 有的可以使用环境变量
3. 如果在RAC中运行多实例 , 每个实例的环境变量需要指到相同的密码文件

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orapwd parameter : FILE (41)

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