DuckDB is not backed by Arrow, but by something similar enough that it can be zero copy to Arrow in many cases https://duckdb.org/2021/12/03/duck-arrow.html htt

DuckDB is not backed by Arrow, but by something similar enough that it can be zero copy to Arrow in many cases https://duckdb.org/2021/12/03/duck-arrow.html https://duckdb.org/2021/12/03/duck-arrow.html