ClickHouse, creators of an online analytical processing (OLAP) database management system, has raised $250 million in Series B funding.

The investment was led by Coatue and Altimeter, with participation from Index Ventures, Benchmark, Lightspeed, Redpoint, Almaz, Yandex, FirstMark and Lead Edge.

The latest funding pegs ClickHouse at a $2 billion valuation.