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ClickHouse is an open-source, column-oriented database management system for real-time analytical processing. It can handle large volumes of data and perform complex queries efficiently due to its architecture, which organizes data by columns rather than rows. ClickHouse supports SQL for query language and can be used to create scalable systems that aggregate and analyze terabytes of information quickly. The platform was developed by Yandex in Russia and later released as open-source software under the Apache License in 2016. Since then, ClickHouse has gained traction within both the enterprise sector and among web services looking for ways to process big data more effectively without compromising speed or reliability.