RECOVER FILE=1201 BLOCK=1968
RECOVER CORRUPTION LIST
RECOVER DATAFILE 1201 BLOCK 1968
RECOVER BLOCK CORRUPTION LIST
None of the above
第1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?()
第2题:
You work as a database administrator at Certkiller .com. Your database is open and running in ARCHIVELOGmode. You take RMANfull backups every Sunday night. On Monday morning, while querying the user1.employeestable, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA-01110: data file 5:’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file and all the archived logs are accessible. Which option would you choose?()
第3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?()
第4题:
You issued the following command to analyze the SCOTT.EMP table for block corruption: ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE; You received the following error: ORA-01578: ORACLE data block corrupted (file # %s, block # %s) How will you resolve the block corruption problem?()
第5题:
While querying the EMPLOYEES table, you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified. Which RMAN command do you use to perform BMR and repair the corrupt block?()
第6题:
You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()
第7题:
by using the DBMS_REPAIR package
by using the DBVERIFY utility
by using Block Media Recovery
by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
第8题:
LogMiner
The DBNEWID utility
The DBVERIFY utility
The ANALYZE command
The RMAN REPORT command
The RMAN CROSSCHECK command.
The RMAN BLOCKRECOVER command.
第9题:
by using the ANALYZE utility
by using the DBVERIFY utility
by using the DB_BLOCK_CHECKING parameter
by using the DBMS_REPAIR package
第10题:
It improves usability by enabling you to reuse the scripts to perform recovery operations.
It detects block corruption while restoration and recovery operations.
It enables you to perform block media recovery.
It is capable to recover through unrecoverable operations, with only full database backups.
第11题:
by using the DBMS_REPAIR package
by using the DB_BLOCK_CHECKING parameter
by using the DBVERIFY utility
will not be completely resolved until the hardware fault is corrected
第12题:
recover lost blocks
recover corrupt blocks
recover media corrupt blocks from list
recover corrupt blocks from list
recover corruption list
第13题:
Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning, while querying the user1.employees table, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA-01110: data file 5: ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file, and all the archived logs are accessible. Which option would you choose?()
第14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?()
第15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?()
第16题:
You execute the following RMAN commands in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()
第17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)?()
第18题:
If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()
第19题:
export and import the mapping table
drop and re-create the mapping table
truncate the mapping table and reinsert the values
use the ALTER TABLE···REBUILD command to defragment the mapping table
第20题:
the DBNEWID utility
the DBVERIFY utility
the ANALYZE command
the RMAN REPORT command
the RMAN CROSSCHECK command
the CHECK_OBJECT procedure of the DBMS_REPAIR package
第21题:
flash back the corrupted blocks
use the DBMS_REPAIR package
use the RMAN TSPITR command
use the RMAN BLOCKRECOVER command
use the RESTORE DATABASE and RECOVER DATABASE commands
investigate the time at which the corruption occurred and perform a pointintime recovery
第22题:
Export and import the mapping table.
Drop and re-create the mapping table.
Truncate the mapping table and reinsert the values.
Use the ALTER TABLE .. REBUILD command to defragment the mapping table.
第23题:
the DBNEWID utility
the ANALYZE command
the RMAN LIST command
the RMAN REPORT command
the RMAN CROSSCHECK command
the RMAN BLOCKRECOVER command