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

3 Answers   Oracle,

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Explain multivalued dependency?

0 Answers  

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what is the difference between aggregate table and fact table ? how do you load these two tables ?

12 Answers   Target,

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Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?

0 Answers  

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capital of tamilnadu

6 Answers   Wipro,

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5.Explain ODS ?

3 Answers   HCL,

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Explain me what are data marts?

0 Answers  

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What is data stream and data adaopter?

0 Answers  

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How can we run the graph? What is the procedure for that? How can we schedule the graph in unix?

0 Answers  

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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,

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Explain what is batch and describe about types of batches?

0 Answers  

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Explain what are the steps to build the data warehouse?

0 Answers  

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