# QuerySQLDataBaseTool

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/tools/sql_database/tool/QuerySQLDataBaseTool)

Equivalent stub to QuerySQLDatabaseTool for backwards compatibility.
:private:

## Signature

```python
QuerySQLDataBaseTool()
```

## Extends

- `QuerySQLDatabaseTool`

## ⚠️ Deprecated

Deprecated since version 0.3.12.

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[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/tools/sql_database/tool.py#L62)