1. 在Oracle数据库中创建用于备份恢复的目录表空间:create tablespace rmants datafile 'c:oracleoradataccrmants.ora' size 20M; 2. 创建RMAN用户并授权:create user rman identified by rman default tablespace rmants temporary tablespace temp quota unlimited on rmants; grant recovery_catalog_owner to rman; 3. 注册目标数据库到恢复目录:rman catalog rman/rman; 4. 使用RMAN备份目标数据库:C:>rman target sys/sys@rman 7.5.4。