What is surrogate key? Where we use it explain with example?


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More Data Warehouse General Interview Questions

Explain what are conformed dimensions?

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What is DTM session?

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Why null values are mapped as 0 in fact tables?

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What should I have in mind when building olap solution from scratch?

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In my report contain product name, amount, country, sales person I want to create one prompt: sales territory.( Ex: asia, us, uk, aus), but territory column is not there in my model and source if u select the asia in prompt page-ll asian country results I want in report page I discussed with my friends and colleague, they told use the static choice function still I face this problem. If u know please tell me?

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Where do we use semi and non additive facts?

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

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What is staging area?

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What are steps we have to follow in designing the userfriendly universe?

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What is the difference between mapping parameter & mapping variable in data warehousing?

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What is an error log table in informatica occurs and how to maintain it in mapping?

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Explain what is the difference between view filter and report filter?

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