Question 3 of 5. Which of the following option(s) explain the need for ETL?
O ETL provides a method of moving the data from various sources into a data warehouse.
ETL is a predefined process for accessing and manipulating source data into the target database.
Allow verification of data transformation, aggregation and calculations rules.
O All of the above

The correct option is "All of the above".

ETL simply means “extract, transform, and load.” ETL is a vital process in the strategies of data integration.

ETL also allows for verification of data transformation, aggregation and calculations rules.

Furthermore, ETL enables companies to be able to gather data from different sources and then consolidate the data hats gathered into a single and centralized location.

ETL also allows different types of data to be able to work together.

In conclusion, based on the information given above, the answer will be All of the above.

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