# Apache DataFusion Command-line Interface
[Apache DataFusion] is an extensible query execution framework, written in Rust, that uses [Apache Arrow] as its in-memory format.
DataFusion CLI (`datafusion-cli`) is a small command line utility that runs SQL queries using the DataFusion engine.
[apache arrow]: https://arrow.apache.org/
[apache datafusion]: https://datafusion.apache.org/
# Frequently Asked Questions
## Where can I find more information?
See the [`datafusion-cli` documentation](https://datafusion.apache.org/user-guide/cli/index.html) for further information.