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What is called dimensional modelling?


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More Data Warehouse General Interview Questions

Which columns go to the fact table and which columns go the dimension table?

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Explain difference between snow flake and star schema.

0 Answers  


What is difference between model & package?

0 Answers  


Suppose I want to get sales data for the last (suppose 10) dates dynamically using value prompt how can I do it and drag it onto report editor?

0 Answers  


suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?

3 Answers   Oracle,


What is data type of the surrogate key?

0 Answers  


Suppose a null dataset with 10 variables; I want to print only name of the varibales in log window and also output window. How can we do this one?

0 Answers  


capital of tamilnadu

6 Answers   Wipro,


What are situations where snowflake schema is better than star schema when the opposite is true?

0 Answers  


Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

0 Answers  


What is fact less fact table? Where you have used it in your project?

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Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Thanks S.A.K

6 Answers   Accenture, IBM, TCS,


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