A. by using the Flashback Table feature
B. by using the Flashback Database feature
C. by performing incomplete recovery using RMAN utility
D. by performing incomplete recovery using user-managed recovery
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You have performed an incomplete recovery because some important user’s schema is dropped and purged from the Recycle Bin. The current logs are sequenced 1005 and 1006. After performing the recovery， you issued the following statement：
SQL>ALTER DATABASE OPEN RESETLOGS；
What will be the resultant log sequence numbers？（）
A. 0 and 1
B. 1 and 2
C. 1005 and 1006
D. 1006 and 1007
A. when a table is dropped and stored in the Recycle Bin
B.when a table is dropped and purged from the Recycle Bin
C. when you are required to recover an existing table to its previous state
D. when you are required to view all the versions of a row of an existing table between a specific time period
A. all the datafiles in the database
B. the datafiles associated with the SYSTEM tablespace
C. the datafiles associated with the DATA1 tablespace
D. all the datafiles in the database except those associated with the DATA1 tablespace
A. MOUNT mode
B. RESTRICTED mode
C. OPEN mode
D. NOMOUNT mode
A. when all the control files are lost
B. when all the members of a redo log group are lost
C. when a table is dropped and purged from the Recycle Bin
D. when a temporary file of the default temporary tablespace is lost
A. when a tablespace is dropped and you have only RMAN-based backup of the database
B. when a table is dropped and stored in the Recycle Bin
C. when you are required to recover an existing table to its previous state
D. when a tablespace is dropped and you have only a user-managed full backup of the database
A. Start the database in the MOUNT stage.
B. Back up the control file to trace.
C. Set the DBID
D. Issue the RECOVER DATABASE command.
In which scenario will you issue the following command？（）
SQL> RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING
BACKUP CONTROLFILE；
A. when all the control files are missing and only a binary backup of the current control file exists
B. when a multiplexed copy of the current control file is missing
C.when all the control files are missing and only a script containing the CREATE CONTROLFILE statement exists
D. when the SPFILE is missing
A. when a table is dropped and stored in the Recycle Bin
B. when all the control files are deleted
C. when a member of a multiplexed redo log group is dropped
D. when you are required to recover a table to its previous state
You are working as a DBA in a company. The datafiles in the database are as follows：
On Monday， you tried to start up the database but failed because all the control files were missing. You recreated the control file using the script you have created by issuing the ALTER DATABASE BACKUP CONTROLFILE TO TRACE command. What is the prerequisite for recreating the control file？（）
A. All the datafiles should be listed in the CREATE CONTROLFILE statement.
B. The DATA2.dbf and DATA3.dbf datafiles should be listed in the CREATE CONTROLFILE statement.
C. The SYSTEM01.dbf datafile should be listed in the CREATE CONTROLFILE statement.
D. The SYSAUX01.dbf datafile should be listed in the CREATE CONTROLFILE statement.
最新试题
Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancelbased recovery？（）
You lost the PRODSTD tablespace， which was read/write. The tablespace was readonly when the last backup was performed. How would you recover the tablespace？（）
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？（）
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？（）
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？（）
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？ （）
View the Exhibit. One of the important tables in the USERS tablespace 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？（）
You have a readonly tablespace on readonly media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the readonly tablespace was read/write when the control file was backed up. What should you consider？（）
Your database operates in ARCHIVELOG mode and usermanaged consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an archivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8：30 a.m. With reference to this scenario， what would you do to recover the database？（）