Explain differences between star and snowflake schemas?


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More Data Warehouse General Interview Questions

what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

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How to test report in reportnet?

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

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What is the limit to the number of sources and targets you can have in a mapping?

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Explain what are the various transformation available?

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Explain multivalued dependency?

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Explain what are components of reportnet?

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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?

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What are components of report studio?

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What is the advantages data mining over traditional approaches?

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What is the purpose of Dataware Control?

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