# ClickHouse | |
> [ClickHouse](https://clickhouse.com/) is the fast and resource efficient open-source database for real-time | |
> apps and analytics with full SQL support and a wide range of functions to assist users in writing analytical queries. | |
> It has data structures and distance search functions (like `L2Distance`) as well as | |
> [approximate nearest neighbor search indexes](https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/annindexes) | |
> That enables ClickHouse to be used as a high performance and scalable vector database to store and search vectors with SQL. | |
## Installation and Setup | |
We need to install `clickhouse-connect` python package. | |
```bash | |
pip install clickhouse-connect | |
``` | |
## Vector Store | |
See a [usage example](/docs/integrations/vectorstores/clickhouse). | |
```python | |
from langchain_community.vectorstores import Clickhouse, ClickhouseSettings | |
``` | |