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ETL Interview Questions
Un-Answered Questions { ETL }
What are three tier systems in etl?
Define slowly changing dimensions (SCD)?
What is cube grouping?
what is granularity in Data ware House?
What is etl tool in hadoop?
list and discuss two approaches for updation of target table in Informatica and how they are different.
what is data modeling?
what are the cubes developed in a sap bw project and what is the requirement for developing it?
what is the difference between cardinality and Nullability?
explain the methodology of Data Warehousing?(Polaries)
What is staging area referring to?
What is etl process?
What is the difference between round-robin partitioning and hash partitioning?
what is the main role of FI on business
what is the difference steps for data modeling?
