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Key terms: audit trail better performance bulk load cleansing columns connectivity data data integrator data may data quality data warehouse data warehousing database disable dw end target etl etl frameworks etl layer etl process etl tools extract extracted data graph indexes integration layer load load phase makes sense multiple null oracle parallel parallel processing partition relational rows sequentially source systems sql system may tables terabytes transform tt update validation values volumes of data Search external links cited by footnotes on Wikipedia page Extract, transform, load: |
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