You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （

题目

You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （）

  • A、 RESETLOGS
  • B、 TO TIMESTAMP
  • C、 TO BEFORE DROP
  • D、 RENAME TO
  • E、 TO SCN
相似考题

1.The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?()A. All the related indexes and views are automatically droppedB. The flashback drop feature can recover only the table structureC. Only the related indexes are dropped whereas views are invalidatedD. The flashback drop feature can recover both the table structure and its data

2.The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action? ()(Choose two)A. All the related indexes and views are automatically droppedB. The flashback drop feature can recover only the table structureC. Only the related indexes are dropped whereas views are invalidatedD. The flashback drop feature can recover both the table structure and its data

3.You are employed as a DBA in an organization. You are informed that the record of EMP_NO 1000 is missing from the SCOTT.EMP table. You are required to identify the user who deleted the record， the SQL statement that will undo the deletion， and the transaction ID of the transaction that deleted the employee record. Which feature will you use to perform the tasks？（）A、 Only the Flashback TableB、 Both the Flashback Transaction Query and the Flashback Version QueryC、 Only the Flashback DropD、 Only the Flashback Version

4.You plan to use Flashback Drop feature to recover a dropped table SALES_EMP. No other table with the same name exists in the schema.You query RECYCLEBIN and find multiple entries for the SALES_EMP table as follows, You then issue the following statement to recover the table:SQL> FLASHBACK TABLE sales_emp TO BEFORE DROP;What would be the outcome of the precedent statement?（）A. It retrieves the latest version of the table from the recycle binB. It retrieves the oldest version of the table from the recycle binC. It retrieves the version of the table for which undo information is availableD. It returns an error because the table name is not specified as per the names in the OBJECT_NAME column

更多“You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （”相关问题

  • 第1题：

    The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)

    • A、All the related indexes and views are automatically dropped
    • B、The flashback drop feature can recover only the table structure
    • C、Only the related indexes are dropped whereas views are invalidated
    • D、The flashback drop feature can recover both the table structure and its data

    正确答案:C,D

  • 第2题：

    At the end of the financial year， an accounts accumulation batch is run. This batch updates the company’s accounting records. During the batch run process， some incorrect entries were inserted into the ACCOUNT table. You identified the bug and immediately stopped the batch run process， but 3000 incorrect records were inserted into the ACCOUNT table before the batch process was stopped. You want to recover the table to the state it was at 11：50 P.M. Which flashback feature will you use？（）

    • A、 Flashback Drop
    • B、 Flashback Database
    • C、 Flashback Table
    • D、 Flashback Version Query

    正确答案:C

  • 第3题：

    On Jan 11， 2005 at 2：30 P.M.， an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator， and you want to return the original values in the table. To do so， you decided to flash back the table. Which two options can you use to flash back a table？（）

    • A、 by using Oracle Enterprise Manager
    • B、 by issuing the FLASHBACK TABLE statement at the RMAN prompt
    • C、 by issuing the FLASHBACK TABLE statement at the SQL prompt
    • D、 by issuing the FLASHBACK TABLE statement at the LSNRCTL prompt

    正确答案:A,C

  • 第4题：

    You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the system change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command. Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?（）

    • A、Restore the backup control file and open the database with RESETLOGS option.
    • B、Perform point-in-time recovery because flashback cannot be performed again on this table
    • C、Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
    • D、Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571

    正确答案:D

  • 第5题：

    In which two scenarios should you issue the following command？（） FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP SYSTIMESTAP- INTERVAL ’15’ MINUTE；

    • A、 when the schema of the user， SCOTT， was deleted by mistake 15 minutes ago
    • B、 when the table EMP of the SCOTT schema was dropped by mistake 15 minutes ago
    • C、 when some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes ago
    • D、 when some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutes
    • E、 never， because FLASHBACK TABLE is not a valid command in Oracle 10g.

    正确答案:C,D

  • 第6题：

    You are working in an online transaction processing （OLTP） environment. You used the FLASHBACK TABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command， the System Change Number （SCN） was 663571. After flashing back the CUSTOMERS table， you realize that the table is not in the correct state and the resultant changes are not what you had desired. So， you need to reverse the effects of the FLASHBACK TABLE command while ensuring that：  a） No other user data in the database is affected.  b） The operation takes the minimum possible time.  Which option would you choose？（）

    • A、use the ROLLBACK command with SCN 663571
    • B、perform Flashback Transaction Query with SCN 663571
    • C、execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
    • D、execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571

    正确答案:D

  • 第7题：

    单选题
    In which scenario do you use the Flashback Database feature？（）
    A

     when a table is dropped and you restore it from the Recycle Bin

    B

     when a user’s schema is dropped and you recover the user’s schema

    C

     when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestamp

    D

     when a row of a table is updated frequently and committed， and you view all the versions of the row within a specific duration


    正确答案： B
    解析： 暂无解析

  • 第8题：

    多选题
    You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （）
    A

    RESETLOGS

    B

    TO TIMESTAMP

    C

    TO BEFORE DROP

    D

    RENAME TO

    E

    TO SCN


    正确答案： C,D
    解析： 暂无解析

  • 第9题：

    多选题
    For which two SQL statements can you use the Flashback Table feature to revert a table to its previous state？（）
    A

    UPDATE TABLE

    B

    CREATE CLUSTER

    C

    TRUNCATE TABLE

    D

    ALTER TABLE MOVE

    E

    INSERT INTO···VALUES

    F

    ALTER TABLE···DROP COLUMN

    G

    ALTER TABLE···DROP PARTITION


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    单选题
    On Monday， you dropped the DEPT table from your schema and then you re/x7fcreated the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct？（）
    A

    You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.

    B

    You can restore the DEPT table by using the Oracle Flashback Drop feature and a system­generated name will be assigned to the restored table.

    C

    You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table withthe name DEPT already exists in your schema.

    D

    You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    多选题
    The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）
    A

    All the related indexes and views are automatically dropped

    B

    The flashback drop feature can recover only the table structure

    C

    Only the related indexes are dropped whereas views are invalidated

    D

    The flashback drop feature can recover both the table structure and its data


    正确答案： A,D
    解析： 暂无解析

  • 第12题：

    单选题
    You are maintaining your database in ARCHIVELOG mode. An important table， SCOTT.EMPLOYEE， is dropped and purged from the Recycle Bin on Monday at 2：00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9：00 P.M. on Sunday.  How will you recover the dropped table， SCOTT.EMPLOYEE？（）
    A

     by using the Flashback Table feature

    B

     by using the Flashback Database feature

    C

     by performing incomplete recovery using RMAN utility

    D

     by performing incomplete recovery using user-managed recovery


    正确答案： C
    解析： 暂无解析

  • 第13题：

    On Monday， you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct？（）

    • A、 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
    • B、 You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
    • C、 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
    • D、 You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.

    正确答案:B

  • 第14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:D

  • 第15题：

    In which scenario do you use the Flashback Database feature？（）

    • A、 when a table is dropped and you restore it from the Recycle Bin
    • B、 when a user’s schema is dropped and you recover the user’s schema
    • C、 when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestamp
    • D、 when a row of a table is updated frequently and committed， and you view all the versions of the row within a specific duration

    正确答案:B

  • 第16题：

    You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEES table. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area.  Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）

    • A、perform point-in-time recovery
    • B、perform a Flashback Table operation to restore the table to the state it was in two days ago
    • C、perform a Flashback Database operation to restore the database to the state it was in two days ago
    • D、perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery

    正确答案:D

  • 第17题：

    The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）

    • A、 All the related indexes and views are automatically dropped
    • B、 The flashback drop feature can recover only the table structure
    • C、 Only the related indexes are dropped whereas views are invalidated
    • D、 The flashback drop feature can recover both the table structure and its data

    正确答案:C,D

  • 第18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19题：

    单选题
    You are employed as a DBA in an organization. You are informed that the record of EMP_NO 1000 is missing from the SCOTT.EMP table. You are required to identify the user who deleted the record， the SQL statement that will undo the deletion， and the transaction ID of the transaction that deleted the employee record. Which feature will you use to perform the tasks？（）
    A

     Only the Flashback Table

    B

     Both the Flashback Transaction Query and the Flashback Version Query

    C

     Only the Flashback Drop

    D

     Only the Flashback Version


    正确答案： C
    解析： 暂无解析

  • 第20题：

    多选题
    On Jan 11， 2005 at 2：30 P.M.， an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator， and you want to return the original values in the table. To do so， you decided to flash back the table. Which two options can you use to flash back a table？（）
    A

    by using Oracle Enterprise Manager

    B

    by issuing the FLASHBACK TABLE statement at the RMAN prompt

    C

    by issuing the FLASHBACK TABLE statement at the SQL prompt

    D

    by issuing the FLASHBACK TABLE statement at the LSNRCTL prompt


    正确答案： A,B
    解析： 暂无解析

  • 第21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22题：

    单选题
    You are working in an online transaction processing （OLTP） environment. You used the FLASHBACK TABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command， the System Change Number （SCN） was 663571. After flashing back the CUSTOMERS table， you realize that the table is not in the correct state and the resultant changes are not what you had desired. So， you need to reverse the effects of the FLASHBACK TABLE command while ensuring that：  a） No other user data in the database is affected.  b） The operation takes the minimum possible time.  Which option would you choose？（）
    A

     Use ROLLBACK command with SCN 663571.

    B

     Perform Flashback Transaction Query with SCN 663571.

    C

     Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571.

    D

     Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    At the end of the financial year， an accounts accumulation batch is run. This batch updates the company’s accounting records. During the batch run process， some incorrect entries were inserted into the ACCOUNT table. You identified the bug and immediately stopped the batch run process， but 3000 incorrect records were inserted into the ACCOUNT table before the batch process was stopped. You want to recover the table to the state it was at 11：50 P.M. Which flashback feature will you use？（）
    A

     Flashback Drop

    B

     Flashback Database

    C

     Flashback Table

    D

     Flashback Version Query


    正确答案： C
    解析： 暂无解析

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