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ClickHouse is an open-source, column-oriented OLAP database management system that allows users to generate analytical reports using SQL queries in real-time. Its technology works 100-1000x faster than traditional database management systems, and processes hundreds of millions to over a billion rows and tens of gigabytes of data per server per second. With a widespread user base around the globe, the technology has received praise for its reliability, ease of use, and fault tolerance. Learn more at clickhouse.com. Bay Area, USA | Amsterdam, The Netherlands

ClickHouse Questions

The ClickHouse annual revenue was $21 million in 2026.

Aaron Katz is the Co-Founder and CEO of ClickHouse.

323 people are employed at ClickHouse.

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