> ## Documentation Index
> Fetch the complete documentation index at: https://langchain.idochub.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# YDB

All functionality related to YDB.

> [YDB](https://ydb.tech/) is a versatile open source Distributed SQL Database that combines
> high availability and scalability with strong consistency and ACID transactions.
> It accommodates transactional (OLTP), analytical (OLAP), and streaming workloads simultaneously.

## Installation and Setup

<CodeGroup>
  ```bash pip theme={null}
  pip install langchain-ydb
  ```

  ```bash uv theme={null}
  uv add langchain-ydb
  ```
</CodeGroup>

## Vector Store

To import YDB vector store:

```python theme={null}
from langchain_ydb.vectorstores import YDB
```

For a more detailed walkthrough of the YDB vector store, see [this notebook](/oss/python/integrations/vectorstores/ydb).