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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

What is surrogate key? Where we use it?

1040

For faster process, what we will do with the universe?

1032

After we create a scd table, can we use that particular dimension as a dimension table for star schema?

1044

What is dimension modeling?

1179

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

1044

Where the cache files stored?

1064

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 meetthe condition.

1144

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

1003

What is the difference between star and snowflake schemas?

1317

What is loop in data warehousing?

1199

How do you create surrogate key using ab initio?

1049

What are fact, dimension, and measure?

1413

What are the difference between snow flake and star schema?

1059

How can we schedule the graph in unix?

1041

I have two universes created by two difference database can we join them in designer & report level? How

1035


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Un-Answered Questions { Data Warehouse General }

What is the differences between star and snowflake schemas?

1115


Explain me what is vldb?

982


Whether dimension table can have numeric value?

1241


What is a view as it relates to system modeling?

1031


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

1056


What is dimension modeling?

1179


What is incremintal loading?

1188


Explain what are the methodologies of data warehousing?

968


Code the tables statement for a single-level (most common) frequency?

973


what are different storage options supported by oracle ?

2136


Explain can a dimension table contains numeric values?

1016


Why facts table is useful in representing the data?

1048


Explain the difference between view and materialized view?

981


hi i have 2 users and 4 reports in dashboard.i have to give rights 2 reports for every users. is it possible give the rights in dashboard.if yes plz let me know how is it possible . thanks in advacne for appreciation. bye rohit

2097


What are the advantages and disadvantages of reporting directly against the database?

1019