Explain the difference between keylokup and joiner?
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What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
Explain Process flow in data warehouse??
What is Operational Data Store?
What is an er diagram?
Explain what is a three tier data warehouse?
What is a fact table?
Why is chameleon method used in data warehouse?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
Explain if a flat file cotains 1000 records how can I get first and last records only?
I know of using applysimple, but there are other ways too?
Explain are data mart and dwh normalized or denormalized? Do both of them exist in
Explain what is the difference between a primary and secondary actor in use case modeling?