单项选择题
You performed an incomplete recovery on your Oracle Database 10g database using the following command：
SQL> RECOVER DATABASE
2 UNTIL TIME ’2004-08-05：12：10：03’ 3 USING BACKUP CONTROLFILE；
In which situation would the above recovery be required？（）
A. A user table was lost at the specified time.
B. A redo log file was lost at the specified time.
C. The backup control file is on a faster disk than the current one.
D. The current control file has a different path compared with the intended time of recovery.
E. The current control file does not match the physical structure of the database at the intended time of recovery.
相关考题
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单项选择题
Your database operates in ARCHIVELOG mode. User-managed 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：ORA-00942： 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？（）
A. retrieve the table by using the flashback feature
B. restore all the data files from last Sunday’s backup and then perform a time-based recovery
C. restore all the data files from last Sunday’s backup and then perform a log sequence recovery
D. restore all the data files from last Sunday’s backup and then perform a cancel-based recovery
E. restore from last Sunday’s backup only data files that belong to the tablespace in which the table was stored and then perform a complete recovery -
多项选择题
An RMAN backup job fails， displaying the following error： ORA-19809： limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in the future？ （）
A. take the backup of the flash recovery area less frequently
B. increase the value of the UNDO_RETENTION initialization parameter
C. change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO
D. change the backup retention policy to retain the backups for a smaller period of time
E. increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter
F. increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter -
单项选择题
You are using an Automatic Storage Management （ASM） instance to manage the files of your production database. You have two disk groups， DG1and DG2with one device each. In the parameter file of the production database， the following parameters have been specified： DB_CREATE_ONLINE_LOG_DEST_1 = ’+dg1’ DB_CREATE_ONLINE_LOG_DEST_2 = ’+dg2’ What would be the impact of this setting？（）
A. When a new log group is added， it would have one member in each disk group.
B. When a new log group is added， it would have two members in each disk group.
C. When a new tablespace is added， it would have one data file in each disk group.
D. When a new log file is added， it would have one member spread across the disk groups.
