Blog Posts
Insights and articles about DuckDB, data engineering, serverless and open source.
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Merges for DuckDB branches and snapshots
differential 1.1 brings three-way merges to DuckDB: merge branches and snapshots, fast-forward, resolve typed conflicts with a table, merge schemas, use S3.
Using a local Codex App Server from ChatGPT and the terminal
Connect to a local Codex App Server from the terminal, over SSH, or through the ChatGPT desktop and mobile apps while keeping your projects on your machine.
Diffing DuckDB branches and snapshots with plain SQL
Diff DuckDB branches and snapshots with plain SQL: EXCEPT, a keyed FULL JOIN, changed columns and a reusable cell-level diff macro for differential.
Versioned DuckDB databases, locally or replicated through S3, for people and agents
differential extension for DuckDB 2.0: snapshots, branches and time travel locally, plus leader/follower replicas, failover and shared writers via S3.
Teaching coding agents the differential DuckDB extension with an Agent Skill
duckdb-differential now ships an Agent Skill, so Claude Code, Codex, Cursor and other agents can version, branch and replicate DuckDB databases correctly.
Differential storage for DuckDB
Add snapshots, time travel and writable branches to native DuckDB databases from SQL with duckdb-differential, and publish versions to S3.
Introducing polyglot - A Rust/Wasm SQL transpilation library
polyglot transpiles SQL between 33 dialects like PostgreSQL, BigQuery and Snowflake. A Rust port of sqlglot, compiled to Wasm to run in the browser and Node.js.
Custom DuckDB Wasm builds for Cloudflare Workers
Run DuckDB SQL queries, including remote Parquet, S3 and R2 reads, directly inside Cloudflare Workers with Ducklings, a minimal async DuckDB Wasm build.
Using Iceberg Catalogs in the Browser with DuckDB-Wasm
Query Apache Iceberg catalogs like S3 Tables and Cloudflare R2 Data Catalog from the browser with DuckDB-Wasm and the Iceberg extension, no backend needed.
TypeScript scripts as DuckDB Table Functions
Query REST APIs, GraphQL endpoints and web pages with SQL by using Bun TypeScript scripts as DuckDB table functions via the shellfs and arrow extensions.