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。
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。
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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