Q. When considering multicolumn indexes for dimension tables, what should be considered for arranging columns?

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Q. Which technique enables more data to be loaded into a single block, improving data retrieval performance?

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Q. What is a key advantage of data partitioning in a data warehouse?

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Q. Why is planning for partitioning crucial in a data warehouse?

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Q. What is the primary benefit of partitioning a table in a data warehouse?

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Q. In vertical partitioning of a table, how are partitions separated?

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Q. What is a benefit of horizontal partitioning in a data warehouse?

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Q. How does data clustering improve query performance in a data warehouse?

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Q. What is a potential advantage of taking an entire partition off-line for maintenance?

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Q. How does parallel processing contribute to performance improvement in a data warehouse?

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Q. What is a consideration when applying parallel processing techniques in conjunction with data partitioning?

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Q. Why is it important to carefully choose summary and detail levels in a data warehouse?

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Q. What is a rolling summary structure in a data warehouse?

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Q. How does turning off referential integrity verification during data loading impact performance?

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Q. Why is it important to carefully set the maximum number of concurrent users in a database system?

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Q. What is the purpose of setting the checkpoint frequency in a database system appropriately?

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Q. In the context of a financial data mart, how can the use of data arrays contribute to performance improvement?

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Q. What is a key consideration in the physical design process for a data warehouse implementation?

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Q. Which indexing techniques are suitable for data warehouses?

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