An RMAN backup job fails, displaying the following error: ORA19809: limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in future?() take the backup of the flash recovery area less frequently。 increase the value of the UNDO_RETENTION initialization parameter。 change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO。 change the backup retention policy to retain the backups for a smaller period of time 。 increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter。 increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter。
服务人口
Which tasks can NOT be performed at the management console if the Client ID is being used?() Reboot the HMC。 Access the storage manager。 Shut down the console。 Access the storage system diagnostic。
据史书记载,我国古代人口从汉代以来大体在五六千万左右,清康熙末年只有二三千万,乾隆五十九年(1794年)激增至三亿多,道光十四年(1834年)超过四亿,导致人口激增的直接原因是()。 清朝管辖区域扩大。 农耕面积大量增加。 地丁银制度的推行。 生产力的显著提高。
Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database?() Oracle will automatically take the datafile out of hot backup mode,generate a warning message,and then open the database.。 Oracle will automatically take the datafile out of hot backup mode and then open the database.。 Oracle will generate an error when trying to open the database,indicating that a datafile is in hot backup mode.You will need to correct this error before you can open the database.。 The database will open with the file in hot backup mode. You can restart the backup at any time.。 The datafile in hot backup mode will be corrupted and you will have to recover it.。
截至目前,北京京能新能源有限公司所有的风电场中运行的机组台数最多的风电场是哪个风电场()