Oracle 1Z0-045 Exam : Oracle database 10g:new features for Oracle8i ocps

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Oracle 1Z0-045 Exam Syllabus Topics:

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

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

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

3. You enabled Flashback Database with the following command:
ALTER DATABASE FLASHBACK ON;
Which view would you query to determine whether the Flashback Database has been enabled?

A) V$INSTANCE
B) V$FLASHBACK_DATABASE_LOG
C) V$SGA
D) V$FLASHBACK_DATABASE_STAT
E) V$DATABASE
F) V$FLASHBACK_DATABASE_LOGFILE

4. Users complain that SQL statements using a particular index fail. Using DBVERIFY, you find that two separate blocks in the index have become corrupt. The database data files for user data and index are very large.
What is the least disruptive recovery strategy available in Oracle 10g?

A) Take the individual data file (not the wholetablespace) offline, use RMAN with Block Media Recovery to restore and recover only those blocks, then set the data file online again.
B) Take the individual data file offline (not the wholetablespace), restore and recover the data file from backup with RMAN, then set the data file online again.
C) Without setting the individual data file offline, use RMAN with Block Media Recovery to restore and recover only those blocks.
D) Rebuild the index using the online option.

5. What must you do to enable Automated SQL Execution Memory Management?

A) Set the instance parameter PGA_AGGREGATE_TARGET and WORKAREA_SIZE_POLICY to appropriate values.
B) Execute the DBMS_STATS.GATHER_SYSTEM_STATS procedure with appropriate values
C) Unset the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE.
D) Set the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE all to AUTO.

Solutions: