Q. What is the purpose of defining subsets for OLAP data?

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Q. What is the suggested approach for data modeling in OLAP systems?

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Q. What should be considered while performing data modeling for OLAP systems?

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Q. What is one purpose of denormalizing OLAP data?

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Q. How does OLAP data differ from data in the data warehouse in terms of summarization?

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Q. What should be considered when joining tables for OLAP data subsets?

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Q. What are some key considerations for administering and managing the OLAP system?

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Q. In the context of the MOLAP model, what is a consideration for moving data into the OLAP system?

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Q. What is a corollary of shifting complex queries to the OLAP system?

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Q. How does the presence of an OLAP system affect the workload on the main data warehouse?

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Q. Why is the load performance of OLAP systems often longer?

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Q. What is one of the main advantages of multidimensional databases in terms of query response?

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Q. Why are OLAP systems typically not refreshed daily?

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Q. What is the purpose of precalculations and preaggregations in OLAP systems?

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Q. Where does the OLAP system usually start in terms of physical platform?

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Q. When might it be considered to move the OLAP system to another platform?

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Q. In a decentralized enterprise, why might one or more separate platforms for the OLAP system be necessary?

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Q. What should drive the selection of OLAP products?

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Q. What is a key consideration for the success of an OLAP system?

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Q. What should be considered before choosing OLAP products?

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