rman中的备份优化(backup optimization)指在备份时满足特定条件,rman就跳过某些文件,不会再将它们包含在备份集中,节约时间和空间.满足如下条件,才能启用备份优化功能:
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CONFIGURE BACKUP OPTIMIZATION OFF 表示对备份是否采取优化
What can you do to skip backing up the TOOLS tablespace without changing the current backup optimization setting?
用当前最优化的设置备份数据库，不备份TOOLS表空间。
The storage Optimization Feature provides data compression to help you reduce your data storage, backup, and recovery costs and administration, as well as providing improved performance.
Storage Optimization Feature提供数据压缩以便帮助您减少您的数据存储和备份和恢复的成本和管理，同时提供改进的性能。
It benefits the optimization of route redundancy backup function.
对于路由冗余备份功能的优化具有一定的实用价值。
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