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 reso

题目
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 package

B

 by using the DB_BLOCK_CHECKING parameter

C

 by using the DBVERIFY utility

D

 will not be completely resolved until the hardware fault is corrected


相似考题
参考答案和解析
正确答案: D
解析: 暂无解析
更多“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 reso”相关问题
  • 第1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 blocks
    • B、use the DBMS_REPAIR package
    • C、use the RMAN TSPITR command
    • D、use the RMAN BLOCKRECOVER command
    • E、use the RESTORE DATABASE and RECOVER DATABASE commands
    • F、investigate the time at which the corruption occurred and perform a point-in-time recovery

    正确答案:D

  • 第2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 command
    • B、 the DBNEWID utility
    • C、 the RMAN REPORT command
    • D、 the RMAN BLOCKRECOVER command
    • E、 the RMAN CROSSCHECK command
    • F、 the ANALYZE command

    正确答案:F

  • 第3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 package
    • B、 by using the DB_BLOCK_CHECKING parameter
    • C、 by using the DBVERIFY utility
    • D、 will not be completely resolved until the hardware fault is corrected

    正确答案:D

  • 第4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 files
    • B、 the redo log files
    • C、 the control file
    • D、 the change tracking file

    正确答案:A

  • 第5题:

    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()

    • A、 You must configure OMF in your database.
    • B、 You must enable block change tracking feature in your database.
    • C、 You must enable ROW MOVEMENT feature on the ORDERS table.
    • D、 You must use the Flashback Version Query before using the Flashback Table feature.

    正确答案:C

  • 第6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7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 blocks

    B

    use the DBMS_REPAIR package

    C

    use the RMAN TSPITR command

    D

    use the RMAN BLOCKRECOVER command

    E

    use the RESTORE DATABASE and RECOVER DATABASE commands

    F

    investigate the time at which the corruption occurred and perform a point­in­time recovery


    正确答案: F
    解析: 暂无解析

  • 第8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.


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()
    A

     You must configure OMF in your database.

    B

     You must enable block change tracking feature in your database.

    C

     You must enable ROW MOVEMENT feature on the ORDERS table.

    D

     You must use the Flashback Version Query before using the Flashback Table feature.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    多选题
    You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?()
    A

    All data along with the table structure is deleted

    B

    The pending transaction in the session is committed

    C

    All indexes on the table will remain but they are invalidated

    D

    All views and synonyms will remain but they are invalidated

    E

    All data in the table are deleted but the table structure will remain


    正确答案: B,C
    解析: 暂无解析

  • 第11题:

    单选题
    You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table?()
    A

     You must enable the block change tracking feature.

    B

     You must have enable the flashback feature.

    C

     You must use the OMF in your database.

    D

     You must define the tablespace of the SCOTT.EMP table for automatic segment space management.


    正确答案: A
    解析: 暂无解析

  • 第12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 utility

    B

    the ANALYZE command

    C

    the RMAN LIST command

    D

    the RMAN REPORT command

    E

    the RMAN CROSSCHECK command

    F

    the RMAN BLOCKRECOVER command


    正确答案: F
    解析: 暂无解析

  • 第13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 blocks
    • B、 use the DBMS_REPAIR package
    • C、 use the RMAN TSPITR command
    • D、 use the RMAN BLOCKRECOVER command
    • E、 use the RESTORE DATABASE and RECOVER DATABASE commands
    • F、 investigate the time at which the corruption occurred and perform a point-in-time recovery

    正确答案:D

  • 第14题:

    You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?()

    • A、All data along with the table structure is deleted 
    • B、The pending transaction in the session is committed 
    • C、All indexes on the table will remain but they are invalidated 
    • D、All views and synonyms will remain but they are invalidated 
    • E、All data in the table are deleted but the table structure will remain

    正确答案:A,B,D

  • 第15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?()  

    • A、 RECOVER FILE=1201 BLOCK=1968
    • B、 RECOVER CORRUPTION LIST
    • C、 RECOVER DATAFILE 1201 BLOCK 1968
    • D、 RECOVER BLOCK CORRUPTION LIST
    • E、 None of the above

    正确答案:B,C

  • 第16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

  • 第17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 blocks

    B

     use the DBMS_REPAIR package

    C

     use the RMAN TSPITR command

    D

     use the RMAN BLOCKRECOVER command

    E

     use the RESTORE DATABASE and RECOVER DATABASE commands

    F

     investigate the time at which the corruption occurred and perform a point-in-time recovery


    正确答案: A
    解析: 暂无解析

  • 第18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 utility

    B

    by using the DBVERIFY utility

    C

    by using the DB_BLOCK_CHECKING parameter

    D

    by using the DBMS_REPAIR package


    正确答案: D
    解析: 暂无解析

  • 第19题:

    多选题
    Identify the two situations in which the alert log file is updated with details. ()
    A

    Running a query on a table returns ORA-600: Internal Error.

    B

    Inserting a value in a table returns ORA-01722: invalid number.

    C

    Creating a table returns ORA-00955: name is already used by an existing object.

    D

    Inserting a value in a table returns ORA-00001: unique constraint (SYS.PK_TECHP) violated.

    E

    Rebuilding an index using ALTER INDEX ...REBUILD fails with an error ORA-01578: ORACLE data block corrupted (file # 14, block # 50).


    正确答案: B,C
    解析: 暂无解析

  • 第20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


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    You issued the following command:   ALTER TABLE SCOTT.EMP SHRINK SPACE;   The SCOTT.EMP table is stored in the DATA1 tablespace that has the following properties:   DATA1 is a read/write tablespace.   DATA1 is not autoextensible to an unlimited size.  DATA1 is online.   Segment space management for the DATA1 tablespace is manual.   You issued the ALTER TABLE SCOTT.EMP SHRINK SPACE; command that generates the following error:   ORA-10635: Invalid segment or tablespace type    What could be the reason for the failure of the command?()
    A

     The tablespace, DATA1, is not read-only.

    B

     The tablespace, DATA1, is not autoextensible.

    C

     The tablespace, DATA1, is not offline.

    D

     The segment space management for the tablespace, DATA1, is manual.


    正确答案: A
    解析: 暂无解析

  • 第22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 package

    B

     by using the DB_BLOCK_CHECKING parameter

    C

     by using the DBVERIFY utility

    D

     will not be completely resolved until the hardware fault is corrected


    正确答案: D
    解析: 暂无解析

  • 第23题:

    多选题
    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?()
    A

    RECOVER FILE=1201 BLOCK=1968

    B

    RECOVER CORRUPTION LIST

    C

    RECOVER DATAFILE 1201 BLOCK 1968

    D

    RECOVER BLOCK CORRUPTION LIST

    E

    None of the above


    正确答案: C,E
    解析: 暂无解析

  • 第24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 files

    B

     the redo log files

    C

     the control file

    D

     the change tracking file


    正确答案: C
    解析: 暂无解析