Exam Code: 1Z0-515
Exam Name: Data Warehousing 11g Essentials
Updated:
Q&As: 70
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You want to create an optimally performing data warehouse hardware configuration for your customer. Which way of creating a hardware configuration will reduce the implementation time the most?
A. Use reference configurations or an appliance-like configuration.
B. Use the existing system and add on relevant components.
C. Customize a configuration from a vendor.
D. Build the system from scratch.
Which unique method of improving performance is NOT used by the Oracle Exadata Database Machine?
A. Flash to improve query performance
B. Reduces the amount of data required to flow through I/O
C. Increases the I/O using InfiniBand
D. Performs analysis in a special in-memory database
Your customer wants to determine "market baskets." What do you recommend?
A. Use Oracle OLAP Option.
B. Use Oracle SQL Analytic Functions.
C. Use associations algorithm in Oracle Data Mining.
D. Use regression analysis in Oracle Data Mining
For which task would you NOT use Oracle Data Mining?
A. Predicting customer behavior
B. Associating factors with a business issue
C. Determining associations within a population
D. Reducing the amount of data used in a data warehouse
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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