You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?
A. restore the tablespace from the backup; there is no need to apply the redo information
B. restore the full database to recover the data up to the point when you performed the backup
C. restore the tablespace from the backup and then perform a recovery using the backup control file
D. restore the tablespace from the backup and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied
You are using an Automatic Storage Management (ASM) instance to manage the files of your production database. You have two disk groups, DG1 and DG2 with 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.
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? (Choose two.)
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
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;
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
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.
While creating a job class using the DBMS_SCHEDULER package, you set the logging level to LOGGING_RUNS. What would be the impact of this setting?
A. Oracle Scheduler would write detailed information to the job log for each run of each job in the job class.
B. Oracle Scheduler would write detailed information to the job log for the first run of each job in the job class.
C. Oracle Scheduler would write detailed information to the job log for each run of only the first job in the job class.
D. Oracle Scheduler would write detailed information for all operations performed on all jobs in the job class.
You are designing an application for certkiller.com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order. Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?
A. create a hash cluster to store the data
B. create an index cluster to store the data
C. create a partitioned table to store the data
D. create a sorted hash cluster to store the data
E. create a heap table with rowid to store the data
You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager (RMAN). The most recent backup of the TOOLS tablespace to disk was taken on January 3. The TOOLS tablespace is read-only. On February 21, when you execute a command to back up all the tablespaces to disk, you find that RMAN backs up the TOOLS tablespace also, even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLS tablespace, you decide that the tablespace should not be backed up by RMAN. What can you do to skip backing up the TOOLS tablespace without changing the current backup optimization setting?
A. configure a default device for RMAN backups
B. temporarily disable the retention policy for RMAN backups
C. configure automatic channel allocation for RMAN backups
D. use the CONFIGURE command to reconfigure the recovery window to 60 days
You want to configure the Flashback Database feature and retain flashback logs for three days. The steps used in this process are:
A. Set the retention target:
SQL> ALTER SYSTEM SET DB_FLASHBACK_RETENTION_TARGET=4320;
B. Enable Flashback Database:
SQL> ALTER DATABASE FLASHBACK ON;
C. Mount the database:
SQL> STARTUP MOUNT EXCLUSIVE;
D. Shut down the instance:
SQL> SHUTDOWN IMMEDIATE;
E. Open the database:
SQL> ALTER DATABASE OPEN;
In what sequence would you need to perform these steps to enable the Flashback Database feature?
F. D, C, A, B, E
G. D, A, C, B, E
H. B, D, C, E, A
I. D, B, E, C, A
In which scenarios would you rebuild an index? (Choose all that apply.)
A. when you need to disable the index usage
B. when you need to change storage options
C. when you need to enable index monitoring
D. when you need to move the index to another tablespace
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