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What is the difference between star and snowflake schemas?


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More Data Warehouse General Interview Questions

I need to set predefined condition. How I do this?

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Explain what is partitioning? What are the types of partitioning?

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What are the difference between snow flake and star schema?

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Explain about core dimension,

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Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?

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What is the difference between junk dimension and degenerated dimension?

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What is degenerate dimension table?

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What is prompt types of prompts?use of prompts syntax of prompt?

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How many project sources we can create in metadata?

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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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Explain the definition of normalized and denormalized view?

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What are the types of dimensional modeling?

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