A complete end-to-end ETL process may take a few seconds or many hours to complete depending on the amount of data and the capabilities of the hardware and software. Most …ETL is an important step in the data integration process The ETL value equation. The ETL process is comprised of 3 steps that enable data integration from source to destination: data extraction, data transformation, and data loading. However, the challenges and complexities of ETL can make it.
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