(ClickHouse is an open source columnar database that has attracted much attention in recent years, and is mainly used in the field of data analysis (OLAP). At present, the domestic community is hot, and major manufacturers have followed up with large-scale use, such as Toutiao, Tencent, and Kuaishou. ClickHouse is a DBMS, not a single database. ClickHouse allows creating tables and databases, loading data and running queries at runtime without reconfiguring and restarting the server.)
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