Any time you are dealing with existing data in a database, it's crucial to have an up-to-date backup.
无论什么时候处理数据库中的现有数据，都要有一份最新的备份。
In other words, you must take a full database backup so that you have a baseline against which incremental backups can be taken.
换句话说，您必须对数据库进行完整的备份，从而为执行增量备份提供一个基准点。
After setting this parameter to "Yes", you must take a full database backup in order to have a baseline against which incremental backups can be taken.
在将该参数设置为“Yes”之后，您必须执行完全数据库备份，以便在可以采用哪些增量备份上有一个基线。
For these reasons, it is critical that you understand how backup and recovery features function for your database management system, and that you have a well-planned backup strategy implemented.
由于这些原因，理解数据库管理系统中备份和恢复功能的工作原理，并实施经过精心规划的备份策略，就显得至关重要了。
An incremental backup is more efficient for databases with a small amount of transactions because you are saving only the pages that have changed since the last backup, not every page in the database.
增量备份在事务比较少的数据库上非常高效，因为您仅保存最后备份之后发生的更改，而不是数据库中的所有页。
A blog can be a huge pain in the butt to backup because many of the services have absolutely no way of getting to the actual database that houses your blog entries.
博客可能是备份中的软肋，因为许多服务器几乎无法到达收容个人博客条目的实际数据库。
When to perform a full database backup (if you have never done so).
执行全数据库备份时(如果还没有这么做的话)。
When to perform a full database backup (if you have never done so).
执行全数据库备份时(如果还没有这么做的话)。
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