what are the data modeling tools you have used?(polaris)
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What are the steps involved in etl process?
Compare etl & elt?
what are the reports developed in sap bw project and what is the requirement for developing it?
Difference between flat files and relational sources?
What is etl tool in hadoop?
what is Forward,Reverse and Re_engineering?
What are three tier systems in etl?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
How we can see table structure?
Which transformation we use to convert 'NA' to 'Not Available'
When do we analyze the tables? How do we do it?
what happens if the info.server doesn't find the session parameter in the parameter file?