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List down some of the real time data-warehousing tools?
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what are different types of partitioning in oracle ?
Explain what are the mapping paramaters and maping variables?
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Explain the difference between dw and bi?
What is execution plan?
Explain the difference between keylokup and joiner?
What are partition points?
What is staging area?
Explain which columns go to the fact table and which columns go the dimension table?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
WHAT IS FACT LESS FACT TABLE?
Teradata 
