Egor Burlakov
••6 min readdbt + DuckDB in 2026: You Don't Need a Warehouse for That
Everyone asks which warehouse to buy. In one project, the right answer was none.
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Everyone asks which warehouse to buy. In one project, the right answer was none.
ETL transforms data before loading; ELT loads first and transforms in the warehouse. Learn when to use each approach with real examples, tool comparisons, and a decision framework.
Data pipelines pass all tests but silently lose millions in revenue. Discover Automated Data Tests (ADT)—lightweight checks that catch join drops, sum errors, and aggregation glitches across billions of rows. Python and SQL solutions coming next.