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Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL > SHUTDOWN IMMEDIATE SQL > STARTUP MOUNT SQL > FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?（）
- A、Only 1
- B、Only 2
- C、Only 3
- D、3 and 1
- E、1 and 2
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更多 “ Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL SHUTDOWN IMMEDIATE SQL STARTUP MOUNT SQL FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?（）A、Only 1B、Only 2C、Only 3D、3 and 1E、1 and 2” 相关考题
考题
Which are the two prerequisites before setting up Flashback Data Archive? ()(Choose two.)
A. Flash recovery area must be definedB. Undo retention guarantee must be enabled.C. Database must be running in archivelog mode.D. Automatic undo management must be enabled.E. The tablespace in which the Flashback Data Archive is created must have automatic segment space Management (ASSM).
考题
Examine the following commands and their output:View the exhibit and examine the Flashback Version Query that was executed after the preceding commands.What could be the possible cause for the query not displaying any row?（）A. Flashback logging is not enabled for the database.B. The changes made to the table are not committed.C. Supplemental logging is not enabled for the database.D. The database is not configured in ARCHIVELOG mode.
考题
Which two are prerequisites for performing a flashback transaction?()
A. Flashback Database must be enabled.B. Undo retention guarantee for the database must be configured.C. EXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.D. Supplemental logging must be enabled.E. Recycle bin must be enabled for the database.F. Block change tracking must be enabled tor the database.
考题
You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）A、 Flashback logs are not archived.B、 Flashback logs are maintained in redo log files.C、 Flashback logs are maintained in the Flash Recovery Area.D、 Flashback logs are used to maintain Flashback Database related errors.E、 Flashback logs need to be cleared manually after you disable Flashback Database.
考题
Your Oracle Database 10g is online when you execute the following statement： SQLALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF； What is the result of executing this statement if the Flashback Database feature is already enabled in the database？（）A、 The database does not record flashback logs for MY_TABLESPACEB、 The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.C、 All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.D、 None of the flashback technologies， such as Flashback Table， Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE
考题
You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations. Which view would you query to estimate the flashback space required？（）A、 V$DATABASEB、 V$FLASHBACK_DATABASE_STATC、 V$FLASHBACK_DATABASE_LOGD、 V$RECOVERY_FILE_DEST
考题
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
考题
You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）A、 The time when the last flashback operation in your database was performed.B、 The time when the first flashback operation in your database was performed.C、 A list of flashback operations performed in your database using SCN and time.D、 The approximate time and the lowest system change number （SCN） to which you can flash back your database.
考题
What are the prerequisites for performing flashback transactions? （）(Choose all that apply)A、Supplemental log must be enabledB、Supplemental log must be enabled for the primary keyC、Undo retention guarantee for the database must be configuredD、”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user
考题
You executed the following query in your database： FROM V$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
考题
Which two are prerequisites for performing a flashback transaction?（）A、Flashback Database must be enabled.B、Undo retention guarantee for the database must be configured.C、EXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.D、Supplemental logging must be enabled.E、Recycle bin must be enabled for the database.F、Block change tracking must be enabled tor the database.
考题
Which two are the prerequisites to enable Flashback Data Archive？（）A、 Database must be running in archivelog mode.B、 Automatic undo management must be enabled.C、 Undo retention guarantee must be enabled.D、 The tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management （ASSM）.
考题
Which of the following statements is true regarding implementing a Flashback Table recovery？ （）A、 An SCN is never used to perform a Flashback Table recovery.B、 If a significant number of changes have been made to the table， row movement must be enabled.C、 The tablespace must be offline before performing a Flashback Table recovery.D、 Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.
考题
Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）A、 V$DATABASEB、 V$UNDOSTATC、 V$FLASHBACK_DATABASE_LOGD、 V$FLASHBACK_DATABASE_STAT
考题
You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（） A、 All the triggers are disabled.B、 All the triggers are enabled by default.C、 Enabled triggers remain enabled and disabled triggers remain disabled.D、 Triggers are deleted when a Flashback Table operation is performed.
考题
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.
考题
单选题Which of the following statements is true regarding implementing a Flashback Table recovery？ （）A
An SCN is never used to perform a Flashback Table recovery.B
If a significant number of changes have been made to the table， row movement must be enabled.C
The tablespace must be offline before performing a Flashback Table recovery.D
Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.
考题
单选题You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（）A
All the triggers are disabled.B
All the triggers are enabled by default.C
Enabled triggers remain enabled and disabled triggers remain disabled.D
Triggers are deleted when a Flashback Table operation is performed.
考题
多选题You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback？（）AOracle Flashback uses undo information to construct consistent data.BYou can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session.CYou can only use Oracle Flashback view of the data if the required records are still in the online redo log files.DOracle Flashback lists the DML that was executed during the period you identify when initiating your session.
考题
多选题Which two are the prerequisites to enable Flashback Data Archive？（）ADatabase must be running in archivelog mode.BAutomatic undo management must be enabled.CUndo retention guarantee must be enabled.DThe tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management （ASSM）.
考题
单选题You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）A
The time when the last flashback operation in your database was performed.B
The time when the first flashback operation in your database was performed.C
A list of flashback operations performed in your database using SCN and time.D
The approximate time and the lowest system change number （SCN） to which you can flash back your database.
考题
单选题Your Oracle Database 10g is online when you execute the following statement： SQLALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF； What is the result of executing this statement if the Flashback Database feature is already enabled in the database？（）A
The database does not record flashback logs for MY_TABLESPACEB
The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.C
All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.D
None of the flashback technologies， such as Flashback Table， Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE
考题
单选题You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations. Which view would you query to estimate the flashback space required？（）A
V$DATABASEB
V$FLASHBACK_DATABASE_STATC
V$FLASHBACK_DATABASE_LOGD
V$RECOVERY_FILE_DEST
考题
多选题Which two are prerequisites for performing a flashback transaction?（）AFlashback Database must be enabled.BUndo retention guarantee for the database must be configured.CEXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.DSupplemental logging must be enabled.ERecycle bin must be enabled for the database.FBlock change tracking must be enabled tor the database.
考题
多选题Which are the two prerequisites before setting up Flashback Data Archive? （）(Choose two.)AFlash recovery area must be definedBUndo retention guarantee must be enabled.CDatabase must be running in archivelog mode.DAutomatic undo management must be enabled.EThe tablespace in which the Flashback Data Archive is created must have automatic segment space Management (ASSM).
考题
多选题Which are the prerequisites for performing flashback transactions on your database？（）AUndo retention guarantee for the database must be configured.BSupplemental log must be enabled for the primary key.CSupplemental log must be enabled.DExecute permission on the DBMS_FLASHBACK package must be granted to the user.
考题
多选题Which two are the prerequisites to enable Flashback Data Archive?（） (Choose two.)ADatabase must be running in archivelog mode.BAutomatic undo management must be enabled.CUndo retention guarantee must be enabled.DThe tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).
考题
单选题You executed the following query in your database： FROM V$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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