单选题By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction.A Flashback TableB Flashback DatabaseC Flashback Versions QueryD the RMAN REPOR

题目
单选题
By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction.
A

Flashback Table

B

Flashback Database

C

Flashback Versions Query

D

the RMAN REPORT command

E

the DBA_PENDING_TRANSACTIONS view


相似考题
更多“单选题By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction.A Flashback TableB Flashback DatabaseC Flashback Versions QueryD the RMAN REPOR”相关问题
  • 第1题:

    You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query?()

    • A、 VERSIONS_STARTSCN
    • B、 VERSIONS_STARTTIME
    • C、 VERSIONS_XID
    • D、 VERSIONS_OPERATION

    正确答案:C

  • 第2题:

    Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()

    • A、point-in-time recovery
    • B、execute the ROLLBACK command with transaction number
    • C、flashback the database to before the transaction was committed
    • D、determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery

    正确答案:D

  • 第3题:

    You query the ORDERS table and discover that order number 1101 is missing. One of your reports, generated at 5:00 A.M. on April 23, 2005 using Oracle Reports, includes this order number in the output. You have inserted 100 new orders into the ORDERS table since generating this report. Which flashback technology would you use to recover order number 1101 into the ORDERS table without losing the 100 orders that you added after the report was generated?()  

    • A、 Flashback Table
    • B、 Flashback Query
    • C、Flashback Version Query
    • D、 Flashback Transaction Query

    正确答案:B

  • 第4题:

    You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()

    • A、 The time when the last flashback operation in your database was performed.
    • B、 The time when the first flashback operation in your database was performed.
    • C、 A list of flashback operations performed in your database using SCN and time.
    • D、 The approximate time and the lowest system change number (SCN) to which you can flash back your database.

    正确答案:D

  • 第5题:

    By using the transaction identifier provided by () for a particular row change, you can use the Flashback Transaction Query to see the operation performed by the transaction. 

    • A、Flashback Table
    • B、Flashback Database
    • C、Flashback Versions Query
    • D、the RMAN REPORT command
    • E、the DBA_PENDING_TRANSACTIONS view

    正确答案:C

  • 第6题:

    By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) A list of changes made along with the transaction identifier of each change.  b) The necessary SQL statements to undo the erroneous changes.  Which option would you choose?()

    • A、 RMAN only.
    • B、 Flashback Table only.
    • C、 Flashback Version Query only.
    • D、 Flashback Database and Flashback Transaction Query.
    • E、 Flashback Version Query and Flashback Transaction Query.

    正确答案:E

  • 第7题:

    单选题
    By using the transaction identifier provided by()for a particular row change, you can use the Flashback Transaction Query to see the operation performed by the transaction.
    A

     Flashback Table

    B

     Flashback Database

    C

     Flashback Version Query

    D

     The RMAN REPORT command

    E

     The DBA_PENDING_TRANSACTIONS view


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    A user performs an update on a table. Shortly after committing the transaction, they realize that they had an error in their WHERE clause causing the wrong rows to be updated. Which Flashback option would allow you to undo this transaction and restore the table to its previous state?()
    A

     Flashback Drop

    B

     Flashback Query

    C

     Flashback Versions Query

    D

     Flashback Transaction Query

    E

     Flashback Table


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    You query the ORDERS table and discover that order number 1101 is missing. One of your reports, generated at 5:00 A.M. on April 23, 2005 using Oracle Reports, includes this order number in the output. You have inserted 100 new orders into the ORDERS table since generating this report. Which flashback technology would you use to recover order number 1101 into the ORDERS table without losing the 100 orders that you added after the report was generated?()
    A

     Flashback Table

    B

     Flashback Query

    C

    Flashback Version Query

    D

     Flashback Transaction Query


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction.
    A

    Flashback Table

    B

    Flashback Database

    C

    Flashback Versions Query

    D

    the RMAN REPORT command

    E

    the DBA_PENDING_TRANSACTIONS view


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()
    A

     The time when the last flashback operation in your database was performed.

    B

     The time when the first flashback operation in your database was performed.

    C

     A list of flashback operations performed in your database using SCN and time.

    D

     The approximate time and the lowest system change number (SCN) to which you can flash back your database.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) A list of changes made along with the transaction identifier of each change.  b) The necessary SQL statements to undo the erroneous changes.  Which option would you choose?()
    A

     RMAN only.

    B

     Flashback Table only.

    C

     Flashback Version Query only.

    D

     Flashback Database and Flashback Transaction Query.

    E

     Flashback Version Query and Flashback Transaction Query.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Which two statements are correct regarding the Flashback Versions Query feature?()

    • A、 You can use this feature to identify the committed versions of the rows, but not the uncommitted versions.
    • B、 You can use this feature to identify the versions of V$ views.
    • C、 You can use this feature to identify the inserts, deletes, and updates performed on a particular row but not the data definition language (DDL) operations performed on the table.
    • D、 You can use this feature for a table only if row movement is enabled for the table.
    • E、 You can use this feature to identify the versions of external and fixed tables.

    正确答案:A,C

  • 第14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15题:

    By using the transaction identifier provided by () for a particular row change, you can use theFlashback Transaction Query to see the operation performed by the transaction. 

    • A、Flashback Table
    • B、Flashback Database
    • C、Flashback Versions Query
    • D、the RMAN REPORT command
    • E、the DBA_PENDING_TRANSACTIONS view

    正确答案:C

  • 第16题:

    You executed the following query in your database:  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output?()

    • A、the time when the last flashback operation in your database was performed
    • B、the time when the first flashback operation in your database was performed
    • C、a list of flashback operations performed in your database using SCN and time
    • D、the approximate time and the lowest system change number (SCN) to which you can flash back your database

    正确答案:D

  • 第17题:

    You work as a database administrator at Certkiller .com. 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 EMPLOYEEStable. 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18题:

    A user performs an update on a table. Shortly after committing the transaction, they realize that they had an error in their WHERE clause causing the wrong rows to be updated. Which Flashback option would allow you to undo this transaction and restore the table to its previous state?()

    • A、 Flashback Drop
    • B、 Flashback Query
    • C、 Flashback Versions Query
    • D、 Flashback Transaction Query
    • E、 Flashback Table

    正确答案:E

  • 第19题:

    单选题
    You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query?()
    A

     VERSIONS_STARTSCN

    B

     VERSIONS_STARTTIME

    C

     VERSIONS_XID

    D

     VERSIONS_OPERATION


    正确答案: A
    解析: 暂无解析

  • 第20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21题:

    单选题
    By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify:  a) a list of changes made along with the transaction identifier of each change  b) the necessary SQL statements to undo the erroneous changes  Which option would you choose?()
    A

    RMAN only

    B

    Flashback Table only

    C

    Flashback Versions Query only

    D

    Flashback Database and Flashback Transaction Query

    E

    Flashback Versions Query and Flashback Transaction Query


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()
    A

     point-in-time recovery

    B

     execute the ROLLBACK command with transaction number

    C

     flashback the database to before the transaction was committed

    D

     determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    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
    解析: 暂无解析

  • 第24题:

    单选题
    By using the transaction identifier provided by () for a particular row change, you can use the Flashback Transaction Query to see the operation performed by the transaction.
    A

    Flashback Table

    B

    Flashback Database

    C

    Flashback Versions Query

    D

    the RMAN REPORT command

    E

    the DBA_PENDING_TRANSACTIONS view


    正确答案: A
    解析: 暂无解析