# Delta Lake

> Delta Lake is an open-source storage framework that brings ACID transactions, scalable metadata handling, schema enforcement, time travel, and unified batch + streaming to data lakes. It is most commonly used with Apache Spark but has connectors for many engines.

## Other Delta Lake documentation sets

These resources live outside this Starlight site and are not inlined above:

- Delta Kernel (Rust) user guide — LLM index: https://docs.delta.io/kernel/rust/llms.txt
- Delta Kernel (Rust) user guide — full text: https://docs.delta.io/kernel/rust/llms-full.txt
- API reference (Scala / Java / Python), HTML only: https://docs.delta.io/api/latest/
- Delta protocol specification: https://github.com/delta-io/delta/blob/master/PROTOCOL.md

## Documentation Sets

- [Abridged documentation](https://docs.delta.io/llms-small.txt): a compact version of the documentation for Delta Lake, with non-essential content removed
- [Complete documentation](https://docs.delta.io/llms-full.txt): the full documentation for Delta Lake

## Notes

- The complete documentation includes all content from the official documentation
- The content is automatically generated from the same source as the official documentation

## Optional

- [Delta Kernel (Rust) user guide — full text](https://docs.delta.io/kernel/rust/llms-full.txt): Reading and writing Delta tables with the Rust Delta Kernel.
- [API reference (Scala / Java / Python)](https://docs.delta.io/api/latest/): Generated API documentation (HTML).