The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（） You should perform a log switch。 You should make a backup of the database。 You should switch the database to the NONARCHIVELOG mode。 You should shut down the database instance and perform a complete database recovery。
JZ-7型空气制动机机能检查时，自阀、单阀手柄均置运转位，总风缸压力表指示值应为（）。 750~900kPa。 650~750kPa。 750~800kPa。 850~900kPa。
A customers has asked you to investigate their current x86 server environment to determinate if they can achieve a reduction in power and rack consumption. They plan to implement VMware and the local storage shared. Which of the following consolidation proposals meets these needs？（） BladeCenter S。 BladeCenter H。 BladeCenter E。 BladeCenter HT。
全国公安队伍正规化建设纲要是以邓小平理论和（）重要思想为指导。
You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（） the time when the last flashback operation in your database was performed。 the time when the first flashback operation in your database was performed。 a list of flashback operations performed in your database using SCN and time。 the approximate time and the lowest system change number （SCN） to which you can flash back your database。
散打比赛中计时员的职责（）
