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.

A. The FLASHBACK TABLE statement will not be written to the alert log file.
B. The EMP table that was dropped by mistake from the database will be restored.
C. The changes made to the EMP table since the specified time will be undone.
D. The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.
E. The FLASHBACK TABLE statement will be executed within a single transaction.
F. The list of transactions that have modified the EMP table since the specified time will be displayed.

A. recovery cannot be performed because a backup was not performed after the last incomplete recovery
B. restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on Tuesday
C. restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on Sunday
D. restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday

A. These are the data files that are corrupted.
B. There is no SYSAUX tablespace in your database
C. There is a read-only tablespace in your database.
D. These are the data files that cannot be recovered.

A. restore the tablespace from the backup， and then perform an incomplete recovery
B. restore the tablespace from the backup， and then apply all the redo information
C. restore all the data files in the database， and then perform an incomplete recovery
D. restore the tablespace from the backup

A. Backup compression is disabled by default.
B. Backup compression can be used with both backup sets and image copies.
C. Backup compression cannot be enabled using the CONFIGURE command.
D. Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.
E. Backup compression applies to only backup sets.
F. Backup compression applies to only image copies.

A. the materialized views based on the TRANS table
B. the materialized views log of the TRANS table
C. the TRANS table
D. the B*Tree indexes on the TRANS table
E. the large object （LOB） segments of the TRANS table

A. open the database with the RESTRICTED option
B. open the database with the RESETLOGS option
C. recover to the required SCN only that data file in which the error occurred
D. recover all the data files to the same system change number （SCN）

A. This command would result in an error because the disk group is not empty.
B. The command would distribute the contents of the specified disk group among all other disk groups and then drop the specified disk group.
C. The command would result in the contents being moved to the parent disk group and dropping of the disk group.
D. The command would result in the disk group being marked as INVALID because it cannot be dropped.
E. The command would drop the disk group， ignoring the EXCLUDING CONTENTS option.