What are the approaches used by optimizer during execution plan?


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More Data Warehouse General Interview Questions

What are the different types of data warehousing?

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What is meant by metadata in context of a data warehouse?

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Explain Process flow in data warehouse??

1 Answers   BirlaSoft,


What is DTS ?

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what is Materialized Views?

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what are the others of "bad files" and "discard files" when using sql*loader?

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What is data merging, data cleansing and sampling?

1 Answers  


Explain the main difference between inmon and kimball philosophies of data warehousing?

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Is framework manager an un-needed overhead? As we know report studio allows us to create the data model from a query and thereby skipping framework manager. Given that this feature is available, in what scenarios would one want to skip framework manager?

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Explain what is the difference between powerplay transformer and power play reports?

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What are data validation strategies for data mart validation after loading process?

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What are fundamental stages of data warehousing?

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