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计算机考试 | Oracle认证考试

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单选题 In your database, online redo log files are multiplexed and one of the members in a group is lost due to media failure? How would you recover the lost redo log member?()

A

 import the database from the last export

B

 restore all the members in the group from the last backup

C

 drop the lost member from the database and then add a new member to the group

D

 restore all the database files from the backup and then perform a complete recovery

E

 restore all the database files from the backup and then perform an incomplete recovery

单选题 You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature?()

A

 You must use automatic undo management in the database.

B

 You must configure OMF in your database.

C

 You must configure ASM for storing the datafiles.

D

 You must multiplex the online redo log file.

单选题 View the Exhibit and examine the properties of the TT tablespace.  Using Database Control, you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5:00 p.m. every Friday.  When you examine the space usage of the table after the completion of the job, you find that the table has not been shrunk.  What could have been the reason for this?()

A

The tablespace that contains the TRANS table is online.

B

The tablespace that contains the TRANS table is permanent.

C

The tablespace that contains the TRANS table is locally managed.

D

The segment space management of the tablespace that contains the TRANS table is manual in nature.

单选题 You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace, DATA1, was dropped and purged from the Recycle Bin. After performing an incomplete recovery, you open the database with the RESETLOGS option.  What will NOT be the impact of using the RESETLOGS option?()

A

 The log sequence for the database will restart from 1.

B

 The log sequence number will be written to the control file.

C

 The log sequence number will be written to the datafile headers.

D

 The log sequence number will be written to the initialization parameter file.

单选题 You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use?()

A

 LogMiner

B

 The DBNEWID utility

C

 The DBVERIFY utility

D

 The ANALYZE command

E

 The RMAN REPORT command

F

 The RMAN CROSSCHECK command.

G

 The RMAN BLOCKRECOVER command.

单选题 You included the following Automatic Storage Management (ASM) initialization parameter settings in the ASM initialization parameter file:   INSTANCE_TYPE = ASM  ASM_POWER_LIMIT = 11  LARGE_POOL_SIZE = 4M   ASM_DISKGROUPS = DG1, DG2  DB_UNIQUE_NAME = +ASM   You are unable to start the ASM instance. Which initialization parameter file setting(s) is not allowing the ASM instance to start?()

A

 only the INSTANCE_TYPE initialization parameter is set to an invalid value

B

 only the ASM_POWER_LIMIT initialization parameter is set to an invalid value

C

 only the LARGE_POOL_SIZE initialization parameter is set to an invalid value

D

 both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid values

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