1Z0-515Data Warehousing 11g Essentials
70 Questions and Answers Experienced specialists selected 70 questions for this exam. All answers are verified to ensure correctness.
Last Updated Apr 23, 2024 Ace your exams with our consistently updated 1Z0-515 exam dumps.
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1Z0-515 Online Practice Questions and Answers
Identify the benefit of using bitmap join indexes. Select one.
A. Faster query performance for all queries.
B. Reduced space for indexes.
C. Faster query performance for some queries.
D. Lower memory usage.
Which Oracle option might be used to encrypt sensitive data in an Oracle data warehouse?
A. Active Data Guard
B. Total Recall
C. Advanced Security Option
D. Virtual Private Database
Your customer is looking to implement ad-hoc analysis in a data warehouse. Which approach is least likely to be used assuming that the customer does not want the expense of managing view?
A. Star schema
B. Snowflake schema
C. Third normal form schema
D. OLAP
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