[Node-DuckDB API](./node-duckdb.md) > [DuckDB](./node-duckdb.duckdb.md) > [useTemporaryDirectory](./node-duckdb.duckdb.usetemporarydirectory.md) ## DuckDB.useTemporaryDirectory property Returns true if the database uses a temporary directory for storing data that does not fit into memory, false otherwise. Signature: ```typescript get useTemporaryDirectory(): boolean; ```