摘要
ORACLE是大型关系数据库的管理系统.恢复子系统是其中非常重要的一部分.对于初学ORACLE者,由于ORACLE恢复机制的复杂性,很难制定出详细的备份和恢复计划.本文通过几个重要概念介绍ORACLE的恢复原理,并对出现的故障进行了分类,针对不同的故障讲了不同的恢复策略.这有助于数据库管理员根据不同情况制定适宜的备份和恢复计划.
Oracle is a large relational database management system,of which the recovery subsystem constitutes a very significant part.However,due to its comlexity,a beginner can hardly work out a detailed backup (and recovery) project.By expounding several important concepts,this paper gives an introduction to the Oracle′s recovery principles.And,failures are grouped and to different groups of failures different recovery techniques are proposed.This will help database administrators (DBA) to work out feasible projects for backup and recovery in conformity with different cases.
出处
《内蒙古工业大学学报（自然科学版）》
2003年第3期223-227,共5页
Journal of Inner Mongolia University of Technology：Natural Science Edition
关键词
SCN
检查点
重做日志
回滚段
归档日志
实例恢复
介质恢复
system change number
checkpoint
redo log
rollback segment
archieved log
instance recovery
medium recovery
