Explain what are non-additive facts in detail?


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More Data Warehouse General Interview Questions

How to create different types of templates?

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what is the difference between MOLAP and ROLAP?

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Explain the importance of data warehouse?

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Select * from emp,dept,loc where emp.deptno left outer join dept.deptno and dept.locno=loc.locno. No need to consider the syntax but is it possible to have left outer join and equi join in the same SQL like this ? can we have right outer join and left outer join in the same SQL ---

1 Answers   Principal Finance, PT Metalogix Infolink Persada,






What are the different types of join operations?

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Explain difference between snow flake and star schema.

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5.Explain ODS ?

3 Answers   HCL,


Ist the schema that a data warehouse system can implements.

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What is the use of incremental aggregation? Explain me in brief with an example?

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Define data warehouse?

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What is ?Data mining??

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