A. The database allows only queries； no other statements are allowed.
B. The database re-creates the missing redo log files automatically.
C. The database continues to function normally with the existing files.
D. The database returns an error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.
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A. the RMAN LIST command
B. the DBNEWID utility
C. the RMAN REPORT command
D. the RMAN BLOCKRECOVER command
E. the RMAN CROSSCHECK command
F. the ANALYZE command
A. use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table
B. restore the entire database from the most recent backup and open it
C. recover the table by using the Flashback Table feature
D. perform point-in-time recovery to recover the table
In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file：
1.RESTORE CONTROLFILE；
2.RESTORE DATABASE；
3.ALTER DATABASE MOUNT；
4.SQL ALTER TABLESPACE temp ADD TEMPFILE
5.ALTER DATABASE OPEN RESETLOGS；
6.RECOVER DATABASE；
7.STARTUP NOMOUNT；
In what sequence would you use this process to perform the recovery？（）
A. 2， 7， 3， 5， 1， 6， 4
B. 2， 1， 7， 6， 3， 5， 4
C. 7， 1， 3， 2， 6， 5， 4
D. 7， 2， 3， 1， 4， 6， 5
A. The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.
B. Before the instance starts， you receive an error about the missing redo log files of a group.
C. The instance starts and the database opens with an error message written to the alert log file.
D. The instance starts and the database opens because two redo log groups still exist.
E. The instance starts and the database opens， but every attempt to write to redo log files fails with an error.
A. until Thursday morning
B. until that point in time when the database is opened
C. until that point in time when the recovery is performed
D. until last Sunday’s backup
E. until that point in time when the table is dropped and purged
F. until Wednesday evening
A. streams pool
B. shared pool
C. log buffer
D. keep buffer cache
E. recycle buffer cache
A. You need to mention it with every BACKUP command.
B. The block change tracking feature is used automatically by RMAN.
C. You need to configure it using the CONFIGURE command.
D. You need to set the necessary initialization parameters to direct RMAN to use the feature.
A. The member jobs would get dropped when the job class is dropped.
B. Both the jobs would be executed concurrently.
C. The member jobs would get disabled when the job class is dropped.
D. The attributes defined at the class level would be applied to both the jobs.
E. Jobs in the job class must have been assigned the same priority.
A. DB_4K_CACHE_SIZE only
B. DB_8K_CACHE_SIZE only
C. DB_BLOCK_SIZE and DB_4K_CACHE_SIZE
D. DB_BLOCK_SIZE and DB_8K_CACHE_SIZE
E. SGA_TARGET and DB_4K_CACHE_SIZE
F. DB_CACHE_SIZE only
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.
最新试题
You lost the index tablespace in your database. You are not able to use tablespace pointintime recovery on the index tablespace. What could be the reason for this？（）
Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario？（）
On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use？（）
The loss of the control file forced you to recreate the control file. After recreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a fivedigit number starting with 0. What could be the possible reason？（）
You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）
You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）
You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command： SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE 5/24）; Which two statements are true？ （）
Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？ （）
You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area？ （）
In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog and restored the control file by using the following command： RMAN> RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup？（）