> For the complete documentation index, see [llms.txt](https://tailwindsdocs.innovativesol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/chains/sql-database-chain.md).

# Sql Database Chain

Answer questions over a SQL database.

<figure><img src="https://662370747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3VoWwSsyrEg0DEvIIjv9%2Fuploads%2Fgit-blob-a32cfba1d76baa704034c8d034ddd77c140d3abf%2Fimage%20(40).png?alt=media" alt="" width="332"><figcaption><p>Sql Database Chain Node</p></figcaption></figure>