Discussion on "5 SQL window-function traps that show up in data engineering interviews (with runnable DuckDB examples)"

IT-Craftsman · 2026-10-12T17:31:10.337Z

Window functions are the most common SQL topic in data engineering interviews, and most candidates know the syntax. The follow-up questions are where people stumble. Here are five traps, each with a t

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5 SQL window-function traps that show up in data engineering interviews (with runnable DuckDB examples)

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