oracle ORA-00257

su – oraclesqlplus /nologconn / as sysdbaselect * from v$flash_recovery_area_usage;select sum(percent_space_used)*3/100 from v$flash_recovery_area_usage;alter system set db_recovery_file_dest_size=8g; 清理archivelogshow parameter recover;删除归档日志 rman操作rmanconnect target sys/Dminjection!crosscheck backup;delete obsolete;delete expired backup;crosscheck archivelog all;delete expired archivelog all;host; sqlplus /nologconnect / as sysdbaselect * from v$flash_recovery_area_usage;