Explain what are non-additive facts in detail?
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How to create different types of templates?
what is the difference between MOLAP and ROLAP?
What is the metadata extension?
Explain the importance of data warehouse?
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 ---
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What are the different types of join operations?
Explain difference between snow flake and star schema.
5.Explain ODS ?
Ist the schema that a data warehouse system can implements.
What is the use of incremental aggregation? Explain me in brief with an example?
Define data warehouse?
What is ?Data mining??