4, 1, 3, 2, 5
4, 3, 1, 2, 5
2, 4, 3, 5, 1
4, 2, 5, 3, 1
第1题:
You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature?()
第2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?()
第3题:
The database is currently running in the NOARCHIVELOG mode. What would be the first step to configure Flashback Database?()
第4题:
You are managing a single instance Oracle 10g database that utilizes the following parameters: Which of the following set of commands must you execute to enable Flashback Database?()
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?()
第6题:
use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table
restore the entire database from the most recent backup and open it
recover the table by using the Flashback Table feature
perform point-in-time recovery to recover the table
第7题:
You must use automatic undo management in the database.
You must configure OMF in your database.
You must configure ASM for storing the datafiles.
You must multiplex the online redo log file.
第8题:
Flashback logs are not deleted.
Flashback logs are deleted automatically.
Flashback logs are deleted only if you are using Recovery Manager (RMAN)
Flashback logs are deleted only if you are using Oracle Manager Files (OFM)
Flashback logs are deleted only if you are using Automatic Storage Management (ASM)
第9题:
Open the database in read-only mode.
Set the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
Enable the block change tracking feature.
Execute the ALTER DATABASE FLASHBACK ON statement.
第10题:
4,1,3,2,5
1,3,4,5,2
1,3,2,5;4 not required
4,1,5,2;3 not required
1,3,4,5;2 not required
第11题:
Flashback logs are not deleted.
Flashback logs are deleted automatically.
Flashback logs are deleted only if you are using Recovery Manager (RMAN).
Flashback logs are deleted only if you are using Oracle Managed Files (OMF).
Flashback logs are deleted only if you are using Automatic Storage Management (ASM).
第12题:
4, 1, 3, 2, 5
4, 3, 1, 2, 5
2, 4, 3, 5, 1
4, 2, 5, 3, 1
第13题:
Your Oracle Database 10g is online when you execute the following statement: SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF; What is the result of executing this statement if the Flashback Database feature is already enabled in the database?()
第14题:
You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()
第15题:
You want to enable archiving on your database. Presently, the database is running inNOARCHIVELOG mode. Given below are the steps to accomplish the task in random order: 1:Shut down the instance. 2:Execute the ALTER DATABASE ARCHIVELOG command. 3:Start up the instance and mount the database. 4:Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1. 5: Open the database. Which is the correct sequence of steps for accomplishing the task()
第16题:
Which three actions are required to configure the Flashback Database? ()
第17题:
You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06:00 p.m., you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03:00 p.m. What would you do to recover the table?()
第18题:
V$DATABASE
V$FLASHBACK_DATABASE_STAT
V$FLASHBACK_DATABASE_LOG
V$RECOVERY_FILE_DEST
第19题:
Enable flashback logging.
Start the database in the ARCHIVELOG mode.
Issue the ALTER DATABASE FLASHBACK ON; command.
Set the FAST_START_MTTR_TARGET initialization parameter.
第20题:
You must configure OMF in your database.
You must enable block change tracking feature in your database.
You must enable ROW MOVEMENT feature on the ORDERS table.
You must use the Flashback Version Query before using the Flashback Table feature.
第21题:
set Flash Recovery Area
enable Flashback logging
create FLASHBACK tablespace
start the database in the ARCHIVELOG mode
start the database in the NOARCHIVELOG mode
第22题:
4, 1, 3, 2, 5
4, 3, 1, 2, 5
2, 4, 3, 5, 1
4, 2, 5, 3, 1
第23题:
STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
STARTUP MOUNT ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;
STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;
STARTUP MOUNT ALTER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
第24题:
Flashback logs are not archived.
Flashback logs are maintained in redo log files.
Flashback logs are maintained in the Flash Recovery Area.
Flashback logs are used to maintain Flashback Database related errors.
Flashback logs need to be cleared manually after you disable Flashback Database.