How to eliminate duplicate rows from flat file?


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More Data Warehouse General Interview Questions

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

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What are the types of dimensional modeling?

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Compare and contrast aggregates & indexes

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What is the use of dimensional modeling in data warehousing?

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What is batch processing?

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How can you import tables from a database?

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What is data warehosuing hierarchy?

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What is the difference between data warehouse and operational systems?

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What are the different types of data warehouses?

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What is surrogate key? Where we use it? Explain with examples.

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