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DuckDB Extensions Design Philosophy One of the main design goals of DuckDB is simplicity, which – to us – implies that the system should be rather nimble, very light on dependencies, and generally small enough to run on constrained platforms like WebAssembly. This goal is in direct conflict with very reasonable user requests to support advanced features like spatial data analysis, vector indexes,

To install the new version, please visit the installation guide. For the release notes, see the release page. It has been almost six years since the first source code was written for the project back in 2018, and a lot has happened since: There are now over 300 000 lines of C++ engine code, over 42 000 commits and almost 4 000 issues were opened and closed again. DuckDB has also gained significant

Installation Documentation Getting Started Connect Data Import JSON Files Multiple Files Parquet Files Partitioning Appender INSERT Statements Client APIs C++ CLI Go Java Julia Node.js Python R Rust Swift Wasm ADBC ODBC SQL Query Syntax Data Types Expressions Functions Constraints Indexes Meta Queries DuckDB's SQL Dialect Samples Configuration Extensions Iceberg ICU inet jemalloc JSON MySQL Postgr

TL;DR: DuckDB-Wasm is an in-process analytical SQL database for the browser. It is powered by WebAssembly, speaks Arrow fluently, reads Parquet, CSV and JSON files backed by Filesystem APIs or HTTP requests and has been tested with Chrome, Firefox, Safari and Node.js. You can try it in your browser at shell.duckdb.org or on Observable. DuckDB-Wasm is fast! If you're here for performance numbers, h

DuckDB is a fast in-process analytical database DuckDB supports a feature-rich SQL dialect complemented with deep integrations into client APIs. DuckDB v1.1.0 was released in September 2024. Installation Documentation -- Get the top-3 busiest train stations SELECT station_name, count(*) AS num_services FROM train_services GROUP BY ALL ORDER BY num_services DESC LIMIT 3;