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langchain/docs/docs/integrations/providers/sqlite.mdx
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# SQLite
>[SQLite](https://en.wikipedia.org/wiki/SQLite) is a database engine written in the
> C programming language. It is not a standalone app; rather, it is a library that
> software developers embed in their apps. As such, it belongs to the family of
> embedded databases. It is the most widely deployed database engine, as it is
> used by several of the top web browsers, operating systems, mobile phones, and other embedded systems.
## Installation and Setup
We need to install the `SQLAlchemy` python package.
```bash
pip install SQLAlchemy
```
## Vector Store
See a [usage example](/docs/integrations/vectorstores/sqlitevss).
```python
from langchain_community.vectorstores import SQLiteVSS
```
## Memory
See a [usage example](/docs/integrations/memory/sqlite).
```python
from langchain_community.chat_message_histories import SQLChatMessageHistory
```