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Question.1  What is the difference between Star schema and Snow flake scheme ? Answer: In Star schema, Fact table is in the center and surrounded by dimension tables. Snow flake schema is similar to star schema. In Snow flake schema, dimension tables may be connected to other related dimensions. For..

Question.1  What is a KPI? Answer: Key Performance Indicator or KPI is a key measure/s that is used by an organization to evaluate performance. KPI’s are different for different organizations, for example, for a retail company, one for the KPI may be Sales Amount, for a hospital, it may be..