When you invoke DB-Access from the command line, you can specify a database as current and execute a file that contains one or more SQL statements. For example.

当您从命令行调用DB - Access时，可以指定一个数据库作为当前数据库，并执行包含一个或多个sql语句的文件。

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Comparing the file sizes with the ls command, you see that the backup was used to replace the current database.

通过ls命令比较文件的大小，您可以看到备份被用于替换当前的数据库。

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