Oracle数据库非归档模式重做日志恢复方法

Method of redo log recovery for Oracle database in noarchivelog mode

Linux系统是在企业中广泛使用的操作系统,企业亦多基于该操作系统安装数据库。当数据库运行在非归档模式中,且数据库处于无日志备份的情况时,一旦重做日志文件丢失将会导致数据库不可用。针对Oracle数据库重做日志文件丢失问题,提出一种非归档模式下的重做日志恢复方法。实验证明,该方法能有效实现重做日志的无备份恢复。

Linux operating system is widely used in the enterprise,and many enterprise installs database based on this operating system. When the database is running in noarchivelog mode,and there is no log backup for database,once the redo log file is lost,the database is not available. For this problem,a redo log recovery method in noarchivelog mode is proposed. The experiment shows that this method can effectively achieve the recovery of the redo log.