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chDB

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chDB is an open-source, in-process OLAP SQL engine that embeds ClickHouse as a library, enabling full analytical query power inside a host application without a separate server. It was created by Auxten Wang — formerly Principal Engineer at Shopee and co-founder/CTO of CovenantSQL — who originally built it to run ClickHouse inside Jupyter Notebooks for ML workflows. The project was acquired by ClickHouse, Inc. in 2024 and now ships bindings across seven-plus programming languages as part of the broader ClickHouse ecosystem.

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