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【多选题】
垄断竞争厂商的需求曲线
A.
是一条水平 线
B.
下方倾斜
C.
与平均收益线重合
D.
与边际收益线重合
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【多选题】You plan to execute the following command to perform a Flashback Database operation in your database：   SQL> FLASHBACK DATABASE TO TIMESTAMP （SYSDATE -5/24）；   Which two statements are true about this...
A.
The database must have multiplexed redo log files
B.
The database must be in the MOUNT state to execute the command
C.
The database must be in the NOMOUNT state to execute the command
D.
The database must be opened in RESTRICTED mode before this operation
E.
The database must be opened with the RESETLOGS option after the flashback operation
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【判断题】孟子以诗书礼乐教，弟子三千，深通六艺者，七十二人。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which statement is true about the database and database-user used during installation of IMS Server？（）
A.
A preexisting database user may be used but a new database has to be created during installation.
B.
A preexisting database may be used but a new database user has to be created during installation.
C.
A preexisting database and user may be used or a new database and user are created during installation.
D.
A preexisting database and user cannot be used； a new database and user are created during  installation.
查看完整题目与答案
【单选题】You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）
A.
renaming the control files
B.
dropping a user in your database
C.
enabling or disabling redo log archiving
D.
dropping a tablespace in your database
E.
re-creating the control files， after you lost all the control files in your database
查看完整题目与答案
【单选题】If you lost your entire database，including the database spfile，control files，online redo logs，and database datafiles，what kind of recovery would be required with RMAN？（）
A.
Complete database recovery.
B.
Incomplete database recovery.
C.
Approximate database recovery.
D.
Archived database recovery.
E.
The database could not be recovered with RMAN.
查看完整题目与答案
【单选题】For which database operation would you need the database to be in the MOUNT state（）
A.
renaming the control files
B.
re-creating the control files
C.
dropping a user in your database
D.
dropping a tablespace in your database
E.
configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
查看完整题目与答案
【单选题】下列选项中,体现个人与社会关系的有 1先天下之忧而忧,后天下之乐而乐2人生自古谁无死,留取丹心照汉青3书山有路勤为径,学海无涯苦作舟4横眉冷对千夫指,俯首首为孺子牛
A.
①②③
B.
②③④
C.
①③④
D.
①②④
查看完整题目与答案
【多选题】You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this？（）
A.
Execute the ALTER DATABASE ARCHIVELOG statement
B.
Select ARCHIVELOG option in the database control and restart the database to apply the changes.
C.
Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.
D.
Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
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【多选题】Which two database operations can be performed at the MOUNT stage of database startup？（）
A.
renaming of data files
B.
dropping the database user
C.
renaming of control files
D.
multiplexing of control files
E.
configuring the database in ARCHIVELOG mode
查看完整题目与答案
【多选题】You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）
A.
You must shut down the database instance to perform the backups.
B.
You must configure the Flash Recovery Area （FRA） for the database.
C.
You can perform complete database backups without closing the database.
D.
All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
查看完整题目与答案
相关题目：
【多选题】You plan to execute the following command to perform a Flashback Database operation in your database：   SQL> FLASHBACK DATABASE TO TIMESTAMP （SYSDATE -5/24）；   Which two statements are true about this...
A.
The database must have multiplexed redo log files
B.
The database must be in the MOUNT state to execute the command
C.
The database must be in the NOMOUNT state to execute the command
D.
The database must be opened in RESTRICTED mode before this operation
E.
The database must be opened with the RESETLOGS option after the flashback operation
查看完整题目与答案
【判断题】孟子以诗书礼乐教，弟子三千，深通六艺者，七十二人。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which statement is true about the database and database-user used during installation of IMS Server？（）
A.
A preexisting database user may be used but a new database has to be created during installation.
B.
A preexisting database may be used but a new database user has to be created during installation.
C.
A preexisting database and user may be used or a new database and user are created during installation.
D.
A preexisting database and user cannot be used； a new database and user are created during  installation.
查看完整题目与答案
【单选题】You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）
A.
renaming the control files
B.
dropping a user in your database
C.
enabling or disabling redo log archiving
D.
dropping a tablespace in your database
E.
re-creating the control files， after you lost all the control files in your database
查看完整题目与答案
【单选题】If you lost your entire database，including the database spfile，control files，online redo logs，and database datafiles，what kind of recovery would be required with RMAN？（）
A.
Complete database recovery.
B.
Incomplete database recovery.
C.
Approximate database recovery.
D.
Archived database recovery.
E.
The database could not be recovered with RMAN.
查看完整题目与答案
【单选题】For which database operation would you need the database to be in the MOUNT state（）
A.
renaming the control files
B.
re-creating the control files
C.
dropping a user in your database
D.
dropping a tablespace in your database
E.
configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
查看完整题目与答案
【单选题】下列选项中,体现个人与社会关系的有 1先天下之忧而忧,后天下之乐而乐2人生自古谁无死,留取丹心照汉青3书山有路勤为径,学海无涯苦作舟4横眉冷对千夫指,俯首首为孺子牛
A.
①②③
B.
②③④
C.
①③④
D.
①②④
查看完整题目与答案
【多选题】You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this？（）
A.
Execute the ALTER DATABASE ARCHIVELOG statement
B.
Select ARCHIVELOG option in the database control and restart the database to apply the changes.
C.
Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.
D.
Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
查看完整题目与答案
【多选题】Which two database operations can be performed at the MOUNT stage of database startup？（）
A.
renaming of data files
B.
dropping the database user
C.
renaming of control files
D.
multiplexing of control files
E.
configuring the database in ARCHIVELOG mode
查看完整题目与答案
【多选题】You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）
A.
You must shut down the database instance to perform the backups.
B.
You must configure the Flash Recovery Area （FRA） for the database.
C.
You can perform complete database backups without closing the database.
D.
All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
查看完整题目与答案