标题: ORA-19806: cannot make duplex backups in [打印本页] 作者: admin 时间: 2016-8-31 16:31 标题: ORA-19806: cannot make duplex backups in ORA-19806: cannotmake duplex backups in recovery area Cause: Duplex backup to recovery area is not supported. Action: Removeduplex option and try again.