DuckLake 1.0: Data Lake Format with SQL Catalog Metadata

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Posted on Sat May 2 2026 | 12:18 pm

DuckDB Labs recently released DuckLake 1.0, a data lake format that stores table metadata in a SQL database rather than across many files in object storage. The first implementation is available as a DuckDB extension and includes catalog-stored small updates, improved sorting and partitioning options, and compatibility with Iceberg-style data features.

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