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chDB is an embedded SQL OLAP Engine powered by ClickHouse
In-process SQL OLAP Engine, powered by ClickHouse
Serverless. No need to install ClickHouse
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
Apache2 License
A brief project introduction courtesy of our hero Alexey Milovidov , the father of ClickHouse .
ClickHouse 23.6 Release Webinar clip included for Educational purposes. All rights belong to their respective owners.
🔖 Read the full story about the birth of the chDB project
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chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
Python
2.9k
138
Go bindings and cli for chDB, an in-process SQL OLAP Engine powered by ClickHouse
Go
146
13
bun.sh bindings for chDB, an embedded SQL Engine powered by ClickHouse
C++
26
4
Native NodeJS bindings for chDB, an in-process SQL OLAP Engine powered by ClickHouse
TypeScript
59
14
Rust FFI example binding for chDB, an embedded SQL Engine powered by ClickHouse
Rust
69
17
Zig wrapper for chdb
Zig
6
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Showing 10 of 35 repositories
chdb
Public
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
chdb-io/chdb's past year of commit activity
chdb-io/chdb-core's past year of commit activity
C++
23
Apache-2.0
146
8
13
Updated Nov 12, 2026
chdb-go
Public
Go bindings and cli for chDB, an in-process SQL OLAP Engine powered by ClickHouse
chdb-io/chdb-go's past year of commit activity
Go
146
Apache-2.0
13
5
1
Updated Nov 11, 2026
chdb-rust
Public
Rust FFI example binding for chDB, an embedded SQL Engine powered by ClickHouse
chdb-io/chdb-rust's past year of commit activity
Rust
69
Apache-2.0
17
0
1
Updated Nov 11, 2026
chdb-agent-plugin
Public
Cross-IDE agent plugin bundle for chDB — bundles chdb-mcp, chdb-datastore / chdb-sql skills, and AGENTS.md for Claude Code, Codex CLI, Copilot CLI, and Droid.
chdb-io/chdb-agent-plugin's past year of commit activity
Python
0
Apache-2.0
0
1
1
Updated Nov 11, 2026
chdb-node
Public
Native NodeJS bindings for chDB, an in-process SQL OLAP Engine powered by ClickHouse
chdb-io/chdb-node's past year of commit activity
TypeScript
59
Apache-2.0
14
0
0
Updated Nov 11, 2026
chdb-io/chdb-java's past year of commit activity
Java
4
Apache-2.0
3
3
0
Updated Nov 5, 2026
chdb-ruby
Public
chdb-ruby is a Ruby library for accessing chDB embedded analytical database with SQLite3-compatible API design.
chdb-io/chdb-ruby's past year of commit activity
Ruby
4
Apache-2.0
0
0
0
Updated Nov 5, 2026
chdb-dotnet
Public
Experimental .NET Core binding for chDB library
chdb-io/chdb-dotnet's past year of commit activity
C#
19
Apache-2.0
1
0
0
Updated Nov 5, 2026
chdb-io/chdb-zig's past year of commit activity
Zig
6
Apache-2.0
0
0
0
Updated Nov 5, 2026
