# DuckDB DuckDB is an in-memory database designed to be fast and reliable. omniload supports DuckDB as both a source and destination. ## URI format The URI format for DuckDB is as follows: ```text duckdb:/// ``` URI parameters: - `database-file`: the path to the DuckDB database file The same URI structure can be used both for sources and destinations. You can read more about SQLAlchemy's DuckDB dialect [here](https://github.com/Mause/duckdb_engine).