Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（） ["SMON would automatically restore the lost file.","You would need to restore the whole database from the last backup.","You would need to restore the file from the last full database backup.","You would need to use flashback technology to restore the lost redo log member.","You would need to use Recovery Manager （RMAN） to restore the lost redo log member.","You would need to restore the missing log file by copying one of the remaining files from the same group."]
继续使用假设
Given: Which code, inserted at line 16, correctly retrieves a local instance of a Point object?（） ["Point p = Line.getPoint();","Line.Point p = Line.getPoint();","Point p = (new Line()).getPoint();","Line.Point p = (new Line()).getPoint()"]
You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups？（） [" You need to mention it with every BACKUP command."," The block change tracking feature is used automatically by RMAN."," You need to configure it using the CONFIGURE command."," You need to set the necessary initialization parameters to direct RMAN to use the feature."]
浇筑式沥青混凝土的造价组成中，比重较大的费用依次是（）。 ["沥青材料费","人工费","粗集料材料费","机械费"]
等长收缩是指肌肉收缩时（）没有改变，而（）增加；等张收缩是指肌肉收缩时长度（）而（）没有改变。
