A. Flashback Drop
B. Flashback Table
C. Flashback Database
D. Flashback Version Query
E. Flashback Transaction Query
您可能感兴趣的试卷
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A. modify the HASH_AREA_SIZE initialization parameter
B. modify the PGA_AGGREGATE_TARGET initialization parameter
C. modify the WORK_AREASIZE_POLICY initialization parameter
D. increase the value of the SGA_TARGET initialization parameter
E. increase the value of the SGA_MAX_SIZE initialization parameter
F. increase the value of the SORT_AREA_SIZE initialization parameter
A. A window must have been created with the WEEKEND_PLAN resource plan.
B. A program must have been created with the WEEKEND_PLAN resource plan.
C. A job class must have been created with the WEEKEND_PLAN resource plan.
D. A window group must have been created with the WEEKEND_PLAN resource plan.
You decided to change the location of the flash recovery area. You executed the following command：
ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’；
Which statement is true？（）
A. The location can be changed only if the flash recovery area is empty.
B. After executing the command， all new flash recovery area files will be created in the new location.
C. The command will generate an error because you cannot change the flash recovery area while the database is open.
D. All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.
A. The backup would be retained on the media for 31 days.
B. The backup would be maintained in the recovery catalog for 31 days.
C. The backup metadata would be retained in the control file for 31 days.
D. The backup metadata would be maintained in the recovery catalog for 31 days.
E. Automatic backups of the control file will be retained in the flash recovery area for 31 days.
A. Oracle Migration Assistant
B. Recovery Manager （RMAN）
C. Oracle Data Pump Export and Import
D. conventional Oracle Export and Import
E. operating system utilities to copy the files to the ASM instance
A. The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.
B. The DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.
C. The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.
D. The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.
E. The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent.
A. mount the new disk group in the ASM instance
B. restart the ASM instance and the production database instance
C. register the new disk groups in the production database instance
D. restart the ASM instance without restarting the production database instance
E. include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
Exhibit， One of the important tables in the USERStablespace was dropped and purged from the recycle bin at 9：00 a.m. You noticed this at 11：00 a.m. and you want to perform an incomplete recovery to recover the table. Which statement is true？（）
A. You must recover all data files to the required system change number （SCN）.
B. You must recover all data files， except those that are offline， to the required SCN.
C. You must recover all data files belonging to the USERS tablespace to the required SCN.
D. You cannot recover all data files because segment space management is performed manually for the undo tablespace.
A. A primary key must have been created.
B. A mapping table must have been created.
C. An overflow tablespace must have been specified.
D. The PCTTHRESHOLD option must have been specified.
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？（）
A. shut down and restart the instance
B. add new tempfiles to the temporary tablespaces after recovery
C. perform a media recovery and open the database with the RESETLOGS option
D. perform a media recovery and bring the database to NOARCHIVELOG mode
最新试题
You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）
You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup，you need the database ID （DBID）. In which two sources would you find the DBID？ （）
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？（）
You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）
You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup？（）
You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area？ （）
Your database operates in ARCHIVELOG mode. Usermanaged consistent backups are performed every Sunday night. On Tuesday， client A drops a table at 8：00 a.m. as follows： SQL> DROP TABLE cust_ord PURGE; Table dropped. Client B executes a query at 9：00 a.m. on the same table as follows： SQL> SELECT * FROM cust_ord;SELECT * FROM cust_ord* ERROR at line 1： ORA00942： table or view does not exist Client B needs the dropped table and reports the problem to you. With reference to this scenario， which action should you take？（）
View the Exhibit and examine the Flashback Database architecture. Identify the missing component （shown with a "？"） in the Flashback Database architecture.（）
You performed a backup of the flash recovery area by using the following command for the first time：RMAN> BACKUP RECOVERY AREA; Which files in the flash recovery area are backed up？（）
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？（）