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单选题
There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database?()
A
the DBNEWID utility
B
the DBVERIFY utility
C
the ANALYZE command
D
the RMAN REPORT command
E
the RMAN CROSSCHECK command
F
the CHECK_OBJECT procedure of the DBMS_REPAIR package
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考题
You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes. Which action will you perform to check the data blocks?()A、 Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUEB、 Use the ANALYZE utility.C、 Use the DBVERIFY utility.D、 Use the DBMS_REPAIR package.
考题
单选题In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the d ata file in a different location while restoring the file. Which option must you consider for this task?()A
using only the RMAN SWITCH command to set the new location for the data fileB
placing the database in the MOUNT state for the restore and recovery operations.C
using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.D
configuring two channels: one for the restore operation and the other for the recovery operation
考题
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
LogMinerB
The DBNEWID utilityC
The DBVERIFY utilityD
The ANALYZE commandE
The RMAN REPORT commandF
The RMAN CROSSCHECK command.G
The RMAN BLOCKRECOVER command.
考题
单选题There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database?()A
the DBNEWID utilityB
the DBVERIFY utilityC
the ANALYZE commandD
the RMAN REPORT commandE
the RMAN CROSSCHECK commandF
the CHECK_OBJECT procedure of the DBMS_REPAIR package
考题
单选题You want to check the EMP table in the user, Scott’s schema for block corruption. You also want to fix the corrupted blocks, if any. How will you accomplish the required task?()A
by using the ANALYZE utilityB
by using the DBVERIFY utilityC
by using the DB_BLOCK_CHECKING parameterD
by using the DBMS_REPAIR package
考题
单选题While working on the database, you receive the following error: 01578: ORACLE data block corrupted (file# 6, block # 54) ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’ You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery?()A
Block Media Recovery must be used with RMAN.B
You must perform complete recovery of individual blocks.C
You must have a full RMAN backup, not an incremental backup.D
You must use the DBVERIFY utility before using the Block Media Recovery feature.
考题
单选题You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file?()A
Restore all the data files and open the databaseB
Create the data file and perform tablespace recoveryC
No need to restore any file, just recover the databaseD
Restore only the system data file and recover the databaseE
Restore only lost date file and performtablespacerecovery
考题
单选题You need to base a data block on the EMP table, but you do not want to give the users of the application access privileges on the table. Which type of data source would you use to create the data block?()A
table B
transactional trigger C
stored procedure D
FROM clause query
考题
单选题In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the data file in a different location while restoring the file. Which option must you consider for this task?()A
using only the RMAN SWITCH command to set the new location for the data fileB
placing the database in the MOUNT state for the restore and recovery operations.C
using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.D
configuring two channels: one for the restore operation and the other for the recovery operation
考题
单选题The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use?()A
the DBNEWID utilityB
the ANALYZE commandC
the RMAN LIST commandD
the RMAN REPORT commandE
the RMAN CROSSCHECK commandF
the RMAN BLOCKRECOVER command
考题
单选题The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use?()A
the RMAN LIST commandB
the DBNEWID utilityC
the RMAN REPORT commandD
the RMAN BLOCKRECOVER commandE
the RMAN CROSSCHECK commandF
the ANALYZE command
考题
单选题You are using the DBVERIFY utility to check the datafiles for any block corruption. You want to write the output of the dbv command to a file not to the screen. Which parameter of the DBVERIFY utility will you use?()A
FILEB
PARFILEC
LOGFILED
FEEDBACK
考题
单选题There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database?()A
the DBNEWID utilityB
the DBVERIFY utilityC
the ANALYZE commandD
the RMAN REPORT commandE
the RMAN CROSSCHECK commandF
the CHECK_OBJECT procedure of the DBMS_REPAIR package
考题
单选题You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes. Which action will you perform to check the data blocks?()A
Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUEB
Use the ANALYZE utility.C
Use the DBVERIFY utility.D
Use the DBMS_REPAIR package.
考题
单选题In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the data file in a different location while resto ing the file. Which option must you consider for this task?()A
using only the RMAN SWITCH command to set the new location for the data fileB
placing the database in the MOUNT state for the restore and recovery operationsC
using an RMAN RUN block with the SET NEWNAME and then the SWITCH commandD
configuring two channels: one for the restore operation and the other for the recovery operation
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