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Roadmap to becoming a developer in 2022
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developer-roadmap/content/roadmaps/114-software-architect/content/109-working-with-data/101-etl-datawarehouses.md

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ETL Datawarehouses

In the world of data warehousing, if you need to bring data from multiple different data sources into one, centralized database, you must first:

  • EXTRACT data from its original source
  • TRANSFORM data by deduplicating it, combining it, and ensuring quality, to then
  • LOAD data into the target database

ETL tools enable data integration strategies by allowing companies to gather data from multiple data sources and consolidate it into a single, centralized location. ETL tools also make it possible for different types of data to work together.

What is ETL? ETL explained