Extract, transform, load (ETL) is the most talked-about strategy for extracting data from multiple sources and systems, and then recombining it into new datasets for query purposes. ETL has been used in enterprises to populate data marts and warehouses for years.
Use normalization and ETL to get the big data results you want 
Added a year ago by Jil Wright
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Use normalization and ETL to get the big data results you want 
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Extract, transform, load (ETL) is the most talked-about strategy for extracting data from multiple sources and systems, and then recombining it into new datasets for query purposes. ETL has been used in enterprises to populate data marts and warehouses for years.
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