In the context of data warehousing, what does the ETL process stand for?
- Efficient Transfer Logic
- Enhanced Table Lookup
- Extract, Transfer, Load
- Extract, Transform, Load
In data warehousing, ETL stands for "Extract, Transform, Load." This process involves extracting data from source systems, transforming it into a suitable format, and loading it into the data warehouse. Transformation includes data cleansing, validation, and structuring for analytical purposes.
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