ClickHouse
Written By Team dFlow
Last updated About 1 month ago
ClickHouse is an open-source, column-oriented database built for high-performance analytics and real-time data processing.
What is ClickHouse?
ClickHouse is an open-source, column-oriented database management system designed for extremely fast analytical queries. It excels at online analytical processing (OLAP) workloads, large datasets, and real-time reporting.
ClickHouse achieves high performance through:
column-oriented storage
vectorized query execution
data compression
parallel processing
It supports SQL (with extensions), handles both batch and streaming ingestion, and is widely used in analytics platforms, observability tools, event pipelines, and data warehousing systems.