You are performing an incomplete recovery because certain im

题目
单选题
You are performing an incomplete recovery because certain important tables were deleted and purged from the Recycle Bin. In which mode will you perform the recovery?()
A

 MOUNT mode

B

 RESTRICTED mode

C

 OPEN mode

D

 NOMOUNT mode

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相似问题和答案

第1题:

单选题
You issue the following statement:   SQL> SELECT FIRSTNAME, LASTNAME FROM HR.EMPLOYEE;  You receive the following error:         01578: ORACLE data block corrupted (file# 6, block # 54)        ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’   How will you resolve this problem of data block corruption by reducing the mean time to recover (MTTR)?()
A

 by using the DBMS_REPAIR package

B

 by using the DBVERIFY utility

C

 by using Block Media Recovery

D

 by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command


正确答案: C
解析: 暂无解析

第2题:

单选题
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6:00 P.M. on Monday, you issue the following command:       RMAN>BACKUP DATABASE;  At 8:00 A.M. on Tuesday, you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP; command?()
A

 Start the database in the MOUNT stage.

B

 Back up the control file to trace.

C

 Set the DBID

D

 Issue the RECOVER DATABASE command.


正确答案: A
解析: 暂无解析

第3题:

单选题
You executed the following query:  SELECT operation, undo_sql, table_name  FROM flashback_transaction_query;  Which statement is correct regarding the query output?()
A

It would return information regarding only the last committed transaction.

B

It would return only the active transactions in all the undo segments in the database.

C

It would return only the committed transactions in all the undo segments in the database. 

D

It would return both active and committed transactions in all the undo segments in the database.

E

It would return information regarding the transactions that began and were committed in the last 30 minutes.


正确答案: D
解析: 暂无解析

第4题:

单选题
You are upgrading to the Oracle 10g Database and will use the Automatic Shared Memory Management feature of the Oracle 10g Database. Which background process serves as the SGA memory broker that  coordinates the sizing of the memory components?()
A

 MMAN

B

 PMON

C

 MMON

D

 MMNL


正确答案: A
解析: 暂无解析

第5题:

单选题
You are creating a job class. You have issued the following command to create the job class:  SQL> BEGIN   DBMS_SCHEDULER.CREATE_JOB_CLASS(        JOB_CLASS_NAME => ’LOW_PRIORITY_CLASS’,        RESOURCE_CONSUMER_GROUP => ’LOW_GROUP’,        LOGGING_LEVEL => DBMS_SCHEDULER.LOGGING_FULL,        LOG_HISTORY => 1200,   COMMENTS => ’LOW JOB PRIORITY CLASS’);        END;        SQL> /   What will be the result of the above command?()
A

 The command will be executed successfully.

B

 The command will fail because RESOURCE_CONSUMER_GROUP is an invalid parameter in the  DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.

C

 The command will fail because LOGGING_LEVEL is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.

D

 The command will fail because LOG_HISTORY is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.

E

 The command will fail because 1200 is an invalid value for the LOG_HISTORY parameter in the  DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.


正确答案: C
解析: 暂无解析

第6题:

单选题
You are creating a job class. You want access to the detailed information for all the runs of each job in the class and every operation performed on every job in the class. Which setting will you use for the LOGGING_LEVEL parameter?()
A

 LOGGING_OFF

B

 LOGGING_RUNS

C

 LOGGING_FULL

D

 LOGGING_NULL


正确答案: B
解析: 暂无解析

第7题:

多选题
An RMAN backup job fails, displaying the following error:  ORA-19809: limit exceeded for recovery files  Your analysis shows that the Flash Recovery area is full.  Which two actions could you take to resolve the error and avoid this error in the future? ()
A

take the backup of the flash recovery area less frequently

B

increase the value of the UNDO_RETENTION initialization parameter

C

change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO

D

change the backup retention policy to retain the backups for a smaller period of time

E

increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter

F

increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter


正确答案: F,C
解析: 暂无解析

第8题:

单选题
In an Oracle 10g database, the in-memory statistics are gathered at regular intervals and used to perform growth-trend analysis and capacity planning of the database. Which component stores these statistics?()
A

recovery catalog

B

Oracle Enterprise Manager Repository

C

Automatic Workload Repository (AWR)

D

Oracle 10g Enterprise Manager Grid Control

E

Automatic Database Diagnostic Monitor (ADDM)


正确答案: C
解析: 暂无解析

第9题:

单选题
In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file:  1.RESTORE CONTROLFILE;  2.RESTORE DATABASE;  3.ALTER DATABASE MOUNT;  4.SQL ALTER TABLESPACE temp ADD TEMPFILE  5.ALTER DATABASE OPEN RESETLOGS;  6.RECOVER DATABASE;  7.STARTUP NOMOUNT;  In what sequence would you use this process to perform the recovery?()
A

 2, 7, 3, 5, 1, 6, 4

B

 2, 1, 7, 6, 3, 5, 4

C

 7, 1, 3, 2, 6, 5, 4

D

 7, 2, 3, 1, 4, 6, 5


正确答案: A
解析: 暂无解析

第10题:

多选题
What are the two advantages of RMAN Block Media Recovery (BMR) over file-level recovery?()
A

BMR lowers the mean time to recover (MTTR).

B

BMR supports point-in-time recovery of individual data blocks.

C

BMR enables you to use incremental backups for block recovery.

D

BMR enables recovery even when the database is not mounted or open.

E

BMR enables you to use proxy backups to perform block media recovery.

F

BMR enables increased availability of data during recovery because the data file requires a recovery can remain online.


正确答案: D,E
解析: 暂无解析

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