{"name":"ducklake","repo":"duckdb/ducklake","url":"https://midorreal.com/project/duckdb-ducklake","repository":"https://github.com/duckdb/ducklake","description":"DuckLake is an integrated data lake and catalog format","facts":{"license":{"value":"MIT","source":"https://github.com/duckdb/ducklake","checked":"8 Oct 2026"},"language":{"value":"C++","source":"https://github.com/duckdb/ducklake","checked":"8 Oct 2026"},"homepage":{"value":"https://ducklake.select","source":"https://ducklake.select","checked":"8 Oct 2026"},"releases":{"value":"0","source":"https://github.com/duckdb/ducklake/releases","checked":"8 Oct 2026"},"contributors":{"value":"88","source":"https://github.com/duckdb/ducklake/graphs/contributors","checked":"8 Oct 2026"},"archived":{"value":"no","source":"https://github.com/duckdb/ducklake","checked":"8 Oct 2026"}},"stars":3057.0,"writeup":{"what_it_is":"DuckLake is an open lakehouse format built on SQL and Parquet that integrates with DuckDB. It stores metadata in a catalog database and data in Parquet files, allowing direct reading and writing through DuckDB.","audience":"DuckDB users building data lakes and lakehouses","claims":[{"claim":"Supports time travel to query previous versions of tables","excerpt":"FROM my_ducklake.my_table AT (VERSION => 2);","status":"not_checked"},{"claim":"Supports schema evolution by adding columns to existing tables","excerpt":"ALTER TABLE my_ducklake.my_table ADD COLUMN new_column VARCHAR;","status":"not_checked"},{"claim":"Provides change data feed to track inserts, updates and deletes","excerpt":"FROM my_ducklake.table_changes('my_table', 2, 2);","status":"not_checked"}],"alternatives":[],"written_by":"AI, from the project's README","date":"2026-10-08"},"why_now":null,"score":{"verdict":"real","hype":95,"reality":98,"gap":-3,"momentum":null,"confidence":70,"version":"score-1.0","rule":"verdict-1.0","calculated_at":"2026-10-08T08:00:00+00:00","verdict_source":"rule"},"early_read":null,"changes":[{"date":"2025-03-03T16:01:19+00:00","text":"Repository created","source":"https://github.com/duckdb/ducklake"}],"cite":"ducklake is a GitHub project at https://github.com/duckdb/ducklake written mainly in C++, described there as \"DuckLake is an integrated data lake and catalog format\".","attribution":"Data from Mid or Real, https://midorreal.com/project/duckdb-ducklake, checked 8 October 2026. Attribution with a link is required."}