What are the methodologies of data warehousing?


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More Data Warehouse General Interview Questions

How many repositories can we create in Informatica?

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What is the difference between narmal load and bulk load?

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Explain what are the different methods of loading dimension tables?

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How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.

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What are situations where snowflake schema is better than star schema when the opposite is true?

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What is edw?

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What is IQD file?

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Explain what are the various transformation available?

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What is called data cleaning?

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What is the purpose of cluster analysis in data warehousing?

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what is the diffrence between psa and idoc

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What is a general purpose scheduling tool?

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