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What does the Bottom Up Approach or Ralph Kimball Approach says? - ETL
ETL (extract, transform, and load) Testing Interview Questions
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78. What does the Bottom Up Approach or Ralph Kimball Approach says? - ETL
The Bottom Down Approach is coined by Ralph Kimball. According to his approach he says “First we need to develop subject oriented database called as “Data Marts” then integrate all the Data Marts to develop the Enterprise data warehouse.
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