The instance abnormally terminates because of a power outage. Which statement is true about redolog files during instance recovery（） Inactive and current redo log files are required to accomplish recovery.。 Online and archived redo log files are required to accomplish instance recovery.。 All redo log entries after the last checkpoint are applied from redo log files to data files.。 All redo log entries recorded in the current redo log file until the checkpoint position are applied to datafiles.。
浇筑式沥青混凝土早期强度增涨较快，施工完成后即可开发交通
You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours： ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H； Which statement is true in this scenario？（） It starts the ASM fast mirror resync.。 All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.。 It drops all disk paths from the dga disk group.。 All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.。
中央控制盘关断以后复位程序（） 由高级别关断复位开始。 由低级别关断复位开始。 从中间级别关断复位开始。
You are using the backup scheduler in Enterprise Manager （EM） to schedule a backup of your database. Which type of script does the backup scheduler generate？（） SQL script。 PL/SQL script。 Operating System （OS） script。 Enterprise Manager （EM） script。 Recovery Manager （RMAN） script。
在使用开孔机开孔作业时，发现卡刀应（）
