DuckDB is a great piece of software if you are If you are looking for a query engine implemented in a safe language (Rust) I definitely suggest checking out Da

DuckDB is a great piece of software if you are If you are looking for a query engine implemented in a safe language (Rust) I definitely suggest checking out DataFusion. It is comparable to DuckDB in performance, has all the standard built in SQL functionality, and is extensible in pretty much all areas (query language, data formats, catalogs, user defined functions, etc) https://arrow.apache.org/datafusion/ https://arrow.apache.org/datafusion/ Disclaimer I am a maintainer of DataFusion