File Formats

Load data into MotherDuck using various file formats.

Apache Iceberg

Query Apache Iceberg tables from MotherDuck using the Iceberg DuckDB extension.

Delta Lake

Query Delta Lake tables from MotherDuck using the Delta DuckDB extension.

DuckLake

Use DuckLake for transactional lakehouse analytics with MotherDuck-managed metadata and object storage.

CSV

Comma-separated values (CSV) is a simple text-based format for tabular data.

Excel

Excel is a spreadsheet file format for tabular data.

JSON

JSON (JavaScript Object Notation) is a lightweight data-interchange format.

Parquet

Apache Parquet is a columnar storage file format optimized for analytics.