DB2 备份或恢复命令的最简单形式只需要数据库的别名。

The simplest form of the DB2 backup or restore command requires only the alias name of the database.

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并且一旦建立了数据库连接，定制的提示符还会显示所连接数据库的别名。

And once a database connection is established, the customized prompt also shows the alias of the connected database.

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导出的内容位于DMCatAlias . txt文件，而标记a则强使命令只导出数据库的别名。

The contents of the export are located in the DMCatAlias.txt file, and the a flag forces the command to export only the database aliases.

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