数据库文件差异更改内容已备份。数据库: %1，创建日期(时间): %2(%3)，文件列表: (%4)，转储的页数: %5，转储设备数: %6，设备信息: (%7)。这只是一条信息性消息，不需要用户执行任何操作。

Database file differential changes were backed up. Database: %1, creation date(time): %2(%3), file list: (%4), pages dumped: %5, number of dump devices: %6, device information: (%7). This is an informational message only. No user action is required.