backup format 'd:/oraclebackup_script/backup_file/full_%d_%T_%s' (database);
sql 'alter system archive log current';
backup format 'd:/oraclebackup_script/backup_file/arch_%d_%T_%s' (archivelog all);
backup format 'd:/oraclebackup_script/backup_file/ctl_%d_%T_%s' (current controlfile);
backup format 'd:/oraclebackup_script/backup_file/spfile_%d_%T_%s'(spfile);

复制

请问上述rman的备份策略能够省略后两行的控制文件和参数文件吗？貌似第一条全备数据库就已经将参数文件和控制文件备份了，有必要再备份一次吗？