HP0-850 Exam

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Exam : HP HP0-850
Title : Integrating Oracle9i with hp Platforms


1. Which attribute is not a characteristic of data warehouse systems?
A. little or no growth after data is loaded
B. consolidation of data from various information systems
C. small number of users executing highly complex transactions
D. heavy utilization of temporary workspace
Answer: A

2. Click the Exhibit button.
You query the DB_CACHE_ADVICE view and retrieve the results listed in the table displayed in the Exhibit. If you decrease the current database buffer cache by 92MB, what would be the increase in database buffer cache misses?
A. 13%
B. 33%
C. 74%
D. 100%
Answer: C

3. You create an index on the social security numbers column of your employee information table. What will the RDBMS use to determine if your company employs a person with a certain social security number?
A. direct index access
B. existence check
C. sequential index access
D. The RDBMS does not use an index.
Answer: B

4. What must be true for Oracle9i to collect wait event statistics? The _______.
A. BSTAT/ESTAT tools must be installed
B. Oracle StatsPack must be installed
C. timed_statistics option must be set to 1
D. V$system_event table must be manually created
Answer: C

5. A transaction becomes committed and its changes are permanent when _______.
A. Oracle completes the next scheduled checkpoint.
B. the transaction issues the CHECKPOINT statement and Oracle finishes the checkpoint.
C. the transaction issues the COMMIT statement and Oracle completes the corresponding write to the redo log.
D. the transaction issues the COMMIT statement.
Answer: C

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