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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
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更多 “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 packageB by using the DBVERIFY utilityC by using Block Media RecoveryD by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command” 相关考题
考题
You executed the following command:RMAN RECOVER COPY OF DATAFILE ‘/u01/app/oracle/oradata/orcl/users01.dbf‘;Which statement regarding the above command is correct?()
A. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the image copyB. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the last incremental backupC. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are updated with all changes up to incremental backup SCN. ‘/ u01/app/oracle/oradata/orcl/users01.dbfD. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are recovered using the above command if data file recovery fails
考题
Whileworkingonthedatabase,youreceivethefollowingerror:01578:ORACLEdatablockcorrupted(file6,block54)ORA-01110:datafile6:’u01/oracle/oradata/data1.dbf’YoudecidetorecoverthecorrupteddatablockbyusingtheBlockMediaRecoveryfeature.WhichoptionisNOTadisadvantageofusingblockmediarecovery?()A.BlockMediaRecoverymustbeusedwithRMAN.B.Youmustperformcompleterecoveryofindividualblocks.C.YoumusthaveafullRMANbackup,notanincrementalbackup.D.YoumustusetheDBVERIFYutilitybeforeusingtheBlockMediaRecoveryfeature.
考题
From SQL*Plus, you issue this SELECT statement:You use this statement to retrieve data from a data table for()。
A. UpdatingB. ViewingC. DeletingD. InsertingE. Truncating
考题
Given the following function:CREATE FUNCTION emplist () RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN (‘A00‘, ‘B00‘); ENDHow can this function be used in an SQL statement?A.SELECT TABLE(EMPLIST()) FROM EMPLOYEEB.SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEEC.SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEED.SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t
考题
Given the following function: CREATE FUNCTION emplist ( ) RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN ('A00', 'B00'); END How can this function be used in an SQL statement?A、SELECT TABLE(EMPLIST()) FROM EMPLOYEEB、SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEEC、SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEED、SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t
考题
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
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?()A、flash back the corrupted blocksB、use the DBMS_REPAIR packageC、use the RMAN TSPITR commandD、use the RMAN BLOCKRECOVER commandE、use the RESTORE DATABASE and RECOVER DATABASE commandsF、investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
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?()A、 flash back the corrupted blocksB、 use the DBMS_REPAIR packageC、 use the RMAN TSPITR commandD、 use the RMAN BLOCKRECOVER commandE、 use the RESTORE DATABASE and RECOVER DATABASE commandsF、 investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for ().A、UpdatingB、ViewingC、DeletingD、InsertingE、Truncating
考题
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/x7f01110: 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?()A、flash back the corrupted blocksB、use the DBMS_REPAIR packageC、use the RMAN TSPITR commandD、use the RMAN BLOCKRECOVER commandE、use the RESTORE DATABASE and RECOVER DATABASE commandsF、investigate the time at which the corruption occurred and perform a pointintime recovery
考题
You executed the following command: RMAN RECOVER COPY OF DATAFILE ’/u01/app/oracle/oradata/orcl/users01.dbf’; Which statement regarding the above command is correct?() A、 The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the image copy.B、 The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the last incremental backup.C、 Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are updated with all changes up to incremental backup SCN.D、 Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are recovered using the above command if data file recovery fails.
考题
You executed the following command: RMAN RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?()A、The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the image copyB、The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the last incremental backupC、 Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are updated with all changes up to incremental backup SCN. '/ u01/app/oracle/oradata/orcl/users01.dbfD、Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are recovered using the above command if data file recovery fails
考题
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?()A、 by using the DBMS_REPAIR packageB、 by using the DB_BLOCK_CHECKING parameterC、 by using the DBVERIFY utilityD、 will not be completely resolved until the hardware fault is corrected
考题
You are managing an Oracle Database 10g database that uses Oracle Managed Files (OMF). You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true?()A、 One block change tracking file is created for each data file. By default, the file is created in DB_CREATE_FILE_DEST.B、 One block change tracking file is created for each data file. By default, the file is created in BACKGROUND_DUMP_DEST.C、 One block change tracking file is created for the database. By default, the file is created in DB_CREATE_FILE_DEST.D、 One block change tracking file is created for the database. By default, the file is created in BACKGROUND_DUMP_DEST.
考题
You received the following error: ORA-01578: ORACLE data block corrupted (file # %s, block # %s) Which file will you check to view additional information regarding the cause of this error?()A、the alert log file and the trace filesB、 the redo log filesC、 the control fileD、 the change tracking file
考题
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 packageB、 by using the DBVERIFY utilityC、 by using Block Media RecoveryD、 by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
考题
单选题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?()A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
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 packageB
by using the DBVERIFY utilityC
by using Block Media RecoveryD
by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
考题
单选题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/x7f01110: 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?()A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a pointintime recovery
考题
单选题A user executes a query on the EMPtable, which contains thousands of rows, to get details about employees in one of the departments. The user receives the following error: SQL SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; SELECT ename FROM emp WHERE deptno=10 ORDER BY sal ERROR at line 1: ORA-01157: cannot identify/lock data file 201 - see DBWR trace file ORA-01110: data file 201:’/u01/app/oracle/oradata/orcl/temp01.dbf’ What is a possible reason?()A
The tempfile belonging to the default temporary tablespace is missing.B
The database is opened in restricted mode, so queries are not allowedC
The default temporary tablespace required to execute the query is offline.D
The default temporary tablespace required to execute the query is dropped.E
The default temporary tablespace required to execute the query is read-only.
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 are managing an Oracle Database 10g database that uses Oracle Managed Files (OMF). You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true?()A
One block change tracking file is created for each data file. By default, the file is created in DB_CREATE_FILE_DEST.B
One block change tracking file is created for each data file. By default, the file is created in BACKGROUND_DUMP_DEST.C
One block change tracking file is created for the database. By default, the file is created in DB_CREATE_FILE_DEST.D
One block change tracking file is created for the database. By default, the file is created in BACKGROUND_DUMP_DEST.
考题
单选题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?()A
by using the DBMS_REPAIR packageB
by using the DB_BLOCK_CHECKING parameterC
by using the DBVERIFY utilityD
will not be completely resolved until the hardware fault is corrected
考题
多选题From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for ().AUpdatingBViewingCDeletingDInsertingETruncating
考题
单选题You executed the following command: RMAN RECOVER COPY OF DATAFILE ’/u01/app/oracle/oradata/orcl/users01.dbf’; Which statement regarding the above command is correct?()A
The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the image copy.B
The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the last incremental backup.C
Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are updated with all changes up to incremental backup SCN.D
Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are recovered using the above command if data file recovery fails.
考题
单选题You received the following error: ORA-01578: ORACLE data block corrupted (file # %s, block # %s) Which file will you check to view additional information regarding the cause of this error?()A
the alert log file and the trace filesB
the redo log filesC
the control fileD
the change tracking file
考题
单选题You executed the following command: RMAN RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?()A
The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the image copyB
The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the last incremental backupC
Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are updated with all changes up to incremental backup SCN. '/ u01/app/oracle/oradata/orcl/users01.dbfD
Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are recovered using the above command if data file recovery fails
考题
单选题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?()A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a point-in-time recovery
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