They are complementary to each other. There's an SQLite extension for use within DuckDB [1], which gives you a power of great transactional capabilities of SQLi

They are complementary to each other. There's an SQLite extension for use within DuckDB [1], which gives you a power of great transactional capabilities of SQLite and speed of analytical queries within DuckDB's columnar storage engine, all within a single database. [1] https://duckdb.org/docs/stable/extensions/sqlite.html https://duckdb.org/docs/stable/extensions/sqlite.html