Question: data warehouse and how it works 1. how a data warehouse works. 2. what is ETL and why ETL is so important in data warehousing.

data warehouse and how it works

1. how a data warehouse works. 2. what is ETL and why ETL is so important in data warehousing. Use the data that he wants to purchase from other agencies as an example to support your answer. 3. whether he should indeed go ahead and invest into the data warehouse. Why or Why not

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