What is the difference between a data warehouse and a data lake?

Answers from the sources

  1. Sthenos Technologies

    “A warehouse stores structured, modelled data ready for reporting. A lake stores raw data in its original form for exploration and machine learning. Most organisations end up with both, and the mistake is building the lake first and never modelling anything.”

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Published
2026-10-20
Modified
2026-10-20
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