Explain difference between view and materialized view?


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Explain what are fact, dimension, and measure?

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What is subject area?

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Why facts table is useful in representing the data?

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wat is code review and wat actually srs or how can we create HLD,LLD.PLS,GIVE ME ANSWER AS EARLY AS FAST.

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Explain what are the different types of data warehousing?

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Explain what are the methodologies of data warehousing?

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Explain normalization?

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What Oracle features can be used to optimize my Warehouse system?

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What is DTS ?

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Hi Friends, Can anyone tell me. is there any certification in Database testing or BI testing or ETL testing international certification? Thanks ArunKumar

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Can we take backup when the database is opened?

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