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Oracle database 10g:new features for Oracle8i ocps Sample Questions:

1. You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this? (Choose two.)

A) set DB_FLASHBACK_RETENTION_TARGET=14400
B) set UNDO_RETENTION=14400
C) set FAST_START_MTTR_TARGET=240
D) set the RETENTION GUARANTEE clause for the undotablespace
E) set SQL_TRACE=True
F) set LOG_CHECKPOINT_INTERVAL=240
G) issue ALTER DATABASE FLASHBACK ON; command

2. In Oracle 10g, the LogMiner allows storage of a copy of the data dictionary in _____ and _____. (Choose two.)

A) a nested table in the database
B) the supplemental log file
C) the control file
D) a database file
E) an operating system flat file
F) the online redo log files

3. Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?

A) flashback the database to before the transaction was committed
B) execute the ROLLBACK command with transaction number
C) point-in-time recovery
D) determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
E) manually enter the appropriate data again

4. An online tablespace, TEST_TBS, is full and you realize that no server-managed tablespace threshold alerts were generated for the TEST_TBS tablespace. What could be the reason, if the TEST_TBS tablespace does not include autoextensible data files?

A) TEST_TBS is the default temporarytablespace.
B) Threshold values for the TEST_TBStablespace are not explicitly specified.
C) TEST_TBS is a dictionary-managedtablespace.
D) TEST_TBS is a small filetablespace.
E) TEST_TBS is abigfile tablespace (BFT).

5. Oracle 10g supports block media recovery. This reduces the smallest unit of recovery from a data file to a database block. What are the two main benefits that block media recovery provides over file-level recovery? (Choose two.)

A) does not require Recovery Manager
B) lowers the mean time to recover (MTTR)
C) supports incomplete recovery
D) allows increased data availability during media recovery

Solutions: