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

# Sap integrations

> Integrate with Sap using LangChain Python.

> [SAP SE(Wikipedia)](https://www.sap.com/about/company.html) is a German multinational
> software company. It develops enterprise software to manage business operation and
> customer relations. The company is the world's leading
> `enterprise resource planning (ERP)` software vendor.

## Installation and setup

We need to install the `langchain-hana` python package.

<CodeGroup>
  ```bash pip theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  pip install langchain-hana
  ```

  ```bash uv theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  uv add langchain-hana
  ```
</CodeGroup>

## Vectorstore

> [SAP HANA Cloud Vector Engine](https://help.sap.com/docs/hana-cloud-database/sap-hana-cloud-sap-hana-database-vector-engine-guide/sap-hana-cloud-sap-hana-database-vector-engine-guide) is
> a vector store fully integrated into the `SAP HANA Cloud` database.

See a [usage example](/oss/python/integrations/vectorstores/sap_hanavector).

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_hana import HanaDB
```

## Self Query Retriever

> [SAP HANA Cloud Vector Engine](https://help.sap.com/docs/hana-cloud-database/sap-hana-cloud-sap-hana-database-vector-engine-guide/sap-hana-cloud-sap-hana-database-vector-engine-guide)
> also provides a Self Query Retriever implementation using the `HanaTranslator` Class.

See a [usage example](/oss/python/integrations/retrievers/self_query/hanavector_self_query).

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_hana import HanaTranslator
```

## Graph

> [SAP HANA Cloud Knowledge Graph Engine](https://help.sap.com/docs/hana-cloud-database/sap-hana-cloud-sap-hana-database-knowledge-graph-guide/sap-hana-cloud-sap-hana-database-knowledge-graph-engine-guide)
> provides support to utilise knowledge graphs through the `HanaRdfGraph` Class.

See a [usage example](/oss/python/integrations/graphs/sap_hana_rdf_graph).

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_hana import HanaRdfGraph
```

## Chains

A `SparqlQAChain` is also provided which can be used with `HanaRdfGraph` for SPARQL-QA tasks.

See a [usage example](/oss/python/integrations/chains/sap_hana_sparql_qa_chain).

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_hana import HanaSparqlQAChain
```

***

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