Explain what are data marts?


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More Data Warehouse General Interview Questions

How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?

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What is the function of surrogate key in data warehousing?

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Explain some of modeling tools available in the market?

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Explain Association algorithm in Data mining?

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Explain ddl (data definition language)?

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Explain dimensional modelling?

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If two relational tables are connected to sq trans, what are the possible errors it will be thrown?

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How can we run the graph? How can we schedule the graph in unix?

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How to load the time dimension?

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What are aggregate tables and aggregate fact tables?

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How many ways we test the universe & Report?

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Explain what is batch and describe about types of batches?

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