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参考答案：
举一反三
【单选题】Note the output of the following query；   SQL> SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1   You executed the following command to enable Fl...
A.
The table uses the default Flashback Data Archive.
B.
The Flashback Data Archive Is created In the SYSAUX tablespace.
C.
The Flashback Data Archive is created in the same tablespace where the tables are stored.
D.
The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
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【单选题】A corporation is a busine s s o r ganization that is f o rmed to act as a single person and is l e g a lly ______ with particular rights and duties.
A.
c reated
B.
demanded
C.
endowed
D.
traced
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【多选题】《国家突发公共事件总体应急预案》明确了各类突发公共事件分级分类和预案框架体系，规定了应对特别重大突发公共事件的组织体系、工作机制等内容。关于《国家突发公共事件总体应急预案》的有关内容，下列说法中，正确的是( )。
A.
国务院是突发公共事件应急管理工作的最高行政领导机构
B.
突发公共事件分为：自然灾害、安全生产事故、公共卫生事故、环境污染事故4类
C.
突发公共事件分为：特别重大、重大、较大、和一般四个等级
D.
突发公共事件的等级是按照其性质、严重程度、可控性和影响范围等因素划分的
E.
重大突发公共事件发生后，省级人民政府要在4小时内向国务院报告
查看完整题目与答案
【单选题】is a corporation ’ s own stock that has been issued and subsequently reacquired by purchase.
A.
Outstanding stock
B.
Treasury Stock
C.
Common stock
D.
Preferred stock
查看完整题目与答案
【单选题】You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）
A.
The time when the last flashback operation in your database was performed.
B.
The time when the first flashback operation in your database was performed.
C.
A list of flashback operations performed in your database using SCN and time.
D.
The approximate time and the lowest system change number （SCN） to which you can flash back your database.
查看完整题目与答案
【多选题】Which three statements are true about Flashback Database?（）
A.
Flashback logs are written sequentially, and are archived.
B.
Flashback Database uses a restored control file to recover a database.
C.
The Oracle database automatically creates, deletes, and resides flashback logs in the Fast RecoveryArea.
D.
Flashback Database can recover a database to the state that it was in before a reset logs operation.
E.
Flashback Database can recover a data file that was dropped during the span of time of the flashback.
F.
Flashback logs are used to restore to the blocks' before images, and then the redo data may be used to roll forward to the desired flashback time.
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【单选题】我国丹霞地貌中最高的山地是( )。
A.
福建的冠名山
B.
福建武夷山
C.
安徽齐云山
D.
江西龙虎山
查看完整题目与答案
【单选题】You disabled the Flashback Database feature by using the following command：  SQL> ALTER DATABASE FLASHBACK OFF；  What would be the effect of this command on the existing flashback logs？（）
A.
Flashback logs are not deleted.
B.
Flashback logs are deleted automatically.
C.
Flashback logs are deleted only if you are using Recovery Manager （RMAN）
D.
Flashback logs are deleted only if you are using Oracle Manager Files （OFM）
E.
Flashback logs are deleted only if you are using Automatic Storage Management （ASM）
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【单选题】有“一石插天，直入云汉，谓之齐云”之美称的安徽齐云山是我国（）地貌中最高的山地。
A.
岩溶
B.
丹霞
C.
花岗岩
D.
其它
查看完整题目与答案
【单选题】我国丹霞地貌中最高的山地是( )
A.
安徽丹霞山
B.
广东丹霞山
C.
安徽齐云山
D.
广东齐云山
查看完整题目与答案
相关题目：
【单选题】Note the output of the following query；   SQL> SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1   You executed the following command to enable Fl...
A.
The table uses the default Flashback Data Archive.
B.
The Flashback Data Archive Is created In the SYSAUX tablespace.
C.
The Flashback Data Archive is created in the same tablespace where the tables are stored.
D.
The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
查看完整题目与答案
【单选题】A corporation is a busine s s o r ganization that is f o rmed to act as a single person and is l e g a lly ______ with particular rights and duties.
A.
c reated
B.
demanded
C.
endowed
D.
traced
查看完整题目与答案
【多选题】《国家突发公共事件总体应急预案》明确了各类突发公共事件分级分类和预案框架体系，规定了应对特别重大突发公共事件的组织体系、工作机制等内容。关于《国家突发公共事件总体应急预案》的有关内容，下列说法中，正确的是( )。
A.
国务院是突发公共事件应急管理工作的最高行政领导机构
B.
突发公共事件分为：自然灾害、安全生产事故、公共卫生事故、环境污染事故4类
C.
突发公共事件分为：特别重大、重大、较大、和一般四个等级
D.
突发公共事件的等级是按照其性质、严重程度、可控性和影响范围等因素划分的
E.
重大突发公共事件发生后，省级人民政府要在4小时内向国务院报告
查看完整题目与答案
【单选题】is a corporation ’ s own stock that has been issued and subsequently reacquired by purchase.
A.
Outstanding stock
B.
Treasury Stock
C.
Common stock
D.
Preferred stock
查看完整题目与答案
【单选题】You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）
A.
The time when the last flashback operation in your database was performed.
B.
The time when the first flashback operation in your database was performed.
C.
A list of flashback operations performed in your database using SCN and time.
D.
The approximate time and the lowest system change number （SCN） to which you can flash back your database.
查看完整题目与答案
【多选题】Which three statements are true about Flashback Database?（）
A.
Flashback logs are written sequentially, and are archived.
B.
Flashback Database uses a restored control file to recover a database.
C.
The Oracle database automatically creates, deletes, and resides flashback logs in the Fast RecoveryArea.
D.
Flashback Database can recover a database to the state that it was in before a reset logs operation.
E.
Flashback Database can recover a data file that was dropped during the span of time of the flashback.
F.
Flashback logs are used to restore to the blocks' before images, and then the redo data may be used to roll forward to the desired flashback time.
查看完整题目与答案
【单选题】我国丹霞地貌中最高的山地是( )。
A.
福建的冠名山
B.
福建武夷山
C.
安徽齐云山
D.
江西龙虎山
查看完整题目与答案
【单选题】You disabled the Flashback Database feature by using the following command：  SQL> ALTER DATABASE FLASHBACK OFF；  What would be the effect of this command on the existing flashback logs？（）
A.
Flashback logs are not deleted.
B.
Flashback logs are deleted automatically.
C.
Flashback logs are deleted only if you are using Recovery Manager （RMAN）
D.
Flashback logs are deleted only if you are using Oracle Manager Files （OFM）
E.
Flashback logs are deleted only if you are using Automatic Storage Management （ASM）
查看完整题目与答案
【单选题】有“一石插天，直入云汉，谓之齐云”之美称的安徽齐云山是我国（）地貌中最高的山地。
A.
岩溶
B.
丹霞
C.
花岗岩
D.
其它
查看完整题目与答案
【单选题】我国丹霞地貌中最高的山地是( )
A.
安徽丹霞山
B.
广东丹霞山
C.
安徽齐云山
D.
广东齐云山
查看完整题目与答案
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