SCN
Timestamp
Named recovery point
Transaction ID
Session ID
第1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2题:
You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors, such as erroneously dropping users, tables, and important data, to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database, you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors, you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running?()
第3题:
To perform a database point-in-time recovery using RMAN, after database restoration, you must ensure that the database is in which of the following states?()
第4题:
Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corruptedThe disk having active online redo log files is also corrupted. The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?()
第5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?()
第6题:
DB_RECOVERY_FILE_DEST only
DB_FLASHBACK_RETENTION_TARGET only
DB_RECOVERY_FILE_DEST_SIZE and DB_RECOVERY_FILE_DEST only
DB_RECOVERY_FILE_DEST and DB_FLASHBACK_RETENTION_TARGET only
DB_RECOVERY_FILE_DEST_SIZE, DB_RECOVERY_FILE_DEST and
DB_FLASHBACK_RETENTION_TARGET
第7题:
incomplete recovery
complete recovery
recovery using the Flashback Database feature
recovery using the export/import utility
第8题:
V$DATABASE
V$FLASHBACK_DATABASE_STAT
V$FLASHBACK_DATABASE_LOG
V$RECOVERY_FILE_DEST
第9题:
back up the control file to trace
bring database to the MOUNT state
open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database
set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
第10题:
Restore the latest whole backup, perform complete recovery, and open the database normally
Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option
Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option
Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option
第11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12题:
Flashback Data Archive
Flashback logs in the flash recovery area
FlashbUndo tablespace
RMAN command line
None of the above
第13题:
Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode?()
第14题:
Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()
第15题:
Which three actions are required to configure the Flashback Database? ()
第16题:
You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()
第17题:
Which of these are valid Flashback Database recovery point parameters?()
第18题:
SCN
Timestamp
Named recovery point
Transaction ID
Session ID
第19题:
Restore the data file and perform incomplete recovery.
Restore the data file and perform point-in-time recover.
Drop the tablespace and lose all data in the tablespace.
Restore the database and lose all data since the last backup.
第20题:
until time
until change
until sequence
until SCN
until commit
第21题:
DB_CREATE_FILE_DEST
DB_RECOVERY_FILE_DEST
DB_RECOVERY_FILE_DEST_SIZE
DB_ONLINE_LOG_DEST_n
第22题:
point-in-time recovery
execute the ROLLBACK command with transaction number
flashback the database to before the transaction was committed
determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
第23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.