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DuckDB sources several data sources, including file formats, network protocols, and database systems:
- AWS S3 buckets and storage with S3-compatible API
- Azure Blob Storage
- Cloudflare R2
- CSV
- Delta Lake
- Excel (via the
spatialextension): see the Excel Import and Excel Export - httpfs
- Iceberg
- JSON
- MySQL
- Parquet
- PostgreSQL
- SQLite