ETL

Christian Thomsen

doi:10.1007/978-3-319-63962-8_11-1

ETL

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Encyclopædiartikel › Forskning › peer review

Abstract

ETL is short for Extract-Transform-Load. The ETL process extracts data from operational source systems, transforms the data, and loads the data into a target. The transformations to perform on the data can involve a plethora of different activities, e.g., filtering, normalization or de-normalization to a desired form, joins, conversion, and cleansing to remove bad or dirty
data. In the ELT variant, the data is extracted from the source systems, loaded in its raw form into the target, and then transformed.

Originalsprog	Engelsk
Titel	Encyclopedia of Big Data Technologies
Redaktører	Sherif Sakr, Albert Zomaya
Antal sider	5
Forlag	Springer Publishing Company
Publikationsdato	6 maj 2018
ISBN (Elektronisk)	978-3-319-63962-8
DOI	https://doi.org/10.1007/978-3-319-63962-8_11-1
Status	Udgivet - 6 maj 2018

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10.1007/978-3-319-63962-8_11-1

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ETL

Abstract

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