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In today's environment, ETL is becoming more and more necessary for many reasons, including

13. In today's environment, ETL is becoming more and more necessary for many reasons, including:

1. In order to make critical business decisions, companies use ETL to analyze their business data.
2. Data warehouses are repositories where data is shared.
3. In ETL, data is moved from a variety of sources into a data warehouse.
4. All of the above

Answer: D) All of the above

Explanation:

In today's environment, ETL is becoming more and more necessary for many reasons, including:

1. In order to make critical business decisions, companies use ETL to analyze their business data.
2. Data warehouses are repositories where data is shared.
3. In ETL, data is moved from a variety of sources into a data warehouse.