论述几种Oracle数据库备份机制。当Oracle数据库遇到不可预知的问题时,备份可以减少失去企业应用重要数据的危险,而且备份对系统性能几乎没有影响。当进行备份操作的时候,Oracle还可以继续对外提供服务。
Presents several kinds of mechanisms which contain integrated and reasonable backup methods of Oracle database.The mechanisms can decrease the risk of losing the important data related to enterprise application when database encounters unpredicted problems and also have very little influence on performance of system.And the Oracle database is available when backup operations are proceeding.