文档介绍：数据库备份方案
作者: Oracle Consulting Services
文档创建日期: Aug 1, 2000
最近变更日期: Mar 5 , 2001
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Title, Subject, Last Updated Date, Reference Number, and Version are marked by a Word Bookmark so that they can be easily reproduced in the header and footer of documents. When you change any of these values, be careful not to accidentally delete the bookmark. You can make bookmarks visible by selecting Tools->Options…View and checking the Bookmarks option in the Show region.
审批:
<Approver 1>
<Approver 2>
To add additional approval lines, Press [Tab] from the last cell in the table above.
Copy Number _____
You can delete any elements of this cover page that you do not need for your document. For example, Copy Number is only required if this is a controlled document and you need to track each copy that you distribute.
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The copy numbers referenced above should be written into the Copy Number space on the cover of each distributed copy. If the document is not controlled, you can delete this table and the Copy Number label from the cover page.
目录
文档控制 2
RMAN备份概述 4
在线热备份 4
多级增量备份 4
并行备份，恢复 5
减少所需要的备份数据量 5
使用简单 5
配置RMAN 6
CATALOG数据库 6
磁带接口 7
多级备份策略 7
维护RMAN 12
检查RMAN备份信息 12
RMAN信息同步 12
使用RMAN进行恢复 13
恢复整个数据库 13
恢复单个表空间 13
其他 15
archive 方式 15
To update the table of contents, put the cursor anywhere in the table and press [F9]. To change the number of levels displayed, select the menu option Insert>Index and Tables, make sure the Table of Contents tab is active, and change the Number of Levels to a new value.
RMAN备份概述
采用数据库提供的RMAN备份工具有以下的优点：
支持在线热备份
支持多级增量备份
支持并行备份，恢复
减小所需要备份量
备份，恢复使用简单

在线热备份
是指备份不需要关闭数据库进行，在备份的同时可以进行正常的数据库的各种操作，满足了7*24的系统的需要,对于本系统而言，数据库的备份将不会影响INTERNET或INTRANET用户对数据库的访问。
多级增量备份
多级增量备份是指第N级的备份只需要备份最后一次同级或N-1级