What do you understand by the term ‘transformation’?
can be used COM component in Informatica ?
what are the data modeling tools you have used?(polaris)
explain the methodology of Data Warehousing?(Polaries)
what is the difference between cardinality and Nullability?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
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what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?
In informatica, I have 10 records in my source system. I need to load 2 records to target for each run. How do I do this?
Explain about etl data integration software?
When do we analyze the tables? How do we do it?
What are dimensions?
What is grain of fact?
What is etl process? How many steps etl contains?
what is data modeling?