You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue（） Disable automatic checkpoint tuning.。 Check the size of the redo log file size and increase the size if it is small.。 Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor. 。 Decrease the number of redo log members if there are more than one redo log members available in each redo log group.。
藤蔓类
While performing the backup of the flash recovery area， you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area？（） The backup fails because one of the archived redo log files is missing.。 The backup succeeds but it would be without the missing archived log.。 During backup，you are prompted for the alternative destination for the missing archived redo log file.。 The backup succeeds because it fails over to one of the alternative archived redo log destinations.。
You noticed that large memory allocations for the Oracle backup and restore operations are causing a performance overhead on the shared pool. Which memory structure would you configure to avoid this performance overhead？（） recycle buffer cache。 large pool。 streams pool。 keep buffer cache。 redo log buffer。
幼儿园的建筑最佳应为（） 四层以上（含四层）的楼房。 三层楼房。 两层楼房。 平房。
女性，24岁，背部红肿3d，检查背部有一10cm*10cm的肿胀区，中央可见多个脓栓，发红，压痛，挤压有脓液流出。考虑为（）
