必须施行规划战略取向、规划控制模式、规划编制方式和规划实施策略的一系列变革。
It is necessary to innovate in the stratagem, control patterns, working patterns and implementary tactics of the planning.
仅此一点就应该足以让您相信，在大多数情况下，即使是在考虑采用RAID - 1、4和5之前，都应该规划并实施一种备份策略。
That alone should be enough to convince you that, in most circumstances, you should plan and implement a backup strategy before even thinking about tackling RAID-1, 4, or 5.
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。
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.
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