用于访问外部表的权限由IDS通过外部表上的用户访问特权治理，还受到由操作系统管理的数据文件权限的治理。
The permissions used to access external tables is governed by the user access privileges on the external table by IDS as well as the data file permissions managed by the operating system.
审计信息可以存储在每个系统上系统管理员指定的本地文件中，也可以发送到远程系统以便进行集中的日志记录。
The audit information can be stored locally on each system in a file designated by the system administrator, or can be sent to a remote system for centralized logging.
行模式很适合那些复制或压缩大型文件集的系统管理脚本。
Line mode is ideal for systems administration scripts that copy or compress large collections of files.
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