chDB

chDB is an in-process SQL OLAP Engine powered by ClickHouse. It is developed by ClickHouse, Inc and open-source contributors.

Features

• In-process SQL OLAP Engine, powered by ClickHouse
• Serverless. No need to install or run ClickHouse services.
• Minimized data copy from C++ to Python with python memoryview
• Input & Output support Parquet, CSV, JSON, Arrow, ORC and 60+ more formats
• Supports Python DB API 2.0: example and custom UDF Functions
• Library bindings for Python, Go, Rust, NodeJS, Bun
• Apache License, Version 2.0

About

• Read the full story about the birth of the chDB project on Auxten's blog
• Read about chDB and its usecases on the Official ClickHouse Blog
• Discover chDB in your browser using codapi examples
• Listen to a brief project introduction courtesy of our hero Alexey Milovidov, the original creator of ClickHouse: