To connect to Oracle Database as a privileged user over a nonsecure connection, you
must be authenticated by a password file. When using password file authentication,
the database uses a password file to keep track of database usernames that have been
granted the SYSDBA or SYSOPER system privilege. This form of authentication is
discussed in "Using Password File Authentication" on page 1-15.
不安全的远程连接
以赋予权限的用户登录而非不安全的连接 , 必须用密码文件认证 .
当使用密码文件认证时 ,数据库使用一个密码文件来跟踪被赋予sysdba和sysoper权限的用户
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/10599713/viewspace-995026/ ，如需转载，请注明出处，否则将追究法律责任。
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