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.

Flashback Table

Flashback Database

Flashback Versions Query

the RMAN REPORT command

the DBA_PENDING_TRANSACTIONS view

参考答案和解析

正确答案： A

解析：暂无解析

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第1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 recoveryB、perform a Flashback Table operation to restore the table to the state it was in two days agoC、perform a Flashback Database operation to restore the database to the state it was in two days agoD、perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery

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第2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 TableB、 Flashback QueryC、Flashback Version QueryD、 Flashback Transaction Query

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第3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 REPORT commandE、the DBA_PENDING_TRANSACTIONS view

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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.

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第5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 performedB、the time when the first flashback operation in your database was performedC、a list of flashback operations performed in your database using SCN and timeD、the approximate time and the lowest system change number （SCN） to which you can flash back your database

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第6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 TableB、Flashback DatabaseC、Flashback Versions QueryD、the RMAN REPORT commandE、the DBA_PENDING_TRANSACTIONS view

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第7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 recoveryB、 perform a Flashback Table operation to restore the table to the state it was in two days agoC、 perform a Flashback Database operation to restore the database to the state it was in two days agoD、 perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery

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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

参考答案和解析

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

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