# Reference

Reference material for configuring and using SingleStore, including:

* Configuration reference, system limits, engine variables, toolbox commands, etc.
* Operator and Tools reference
* SQL command reference
* Information Schema reference
* Troubleshooting
* SingleStore Data API

## In this section

* [Configuration Reference](https://docs.singlestore.com/db/v9.1/reference/configuration-reference.md)
* [SingleStore Operator Reference](https://docs.singlestore.com/db/v9.1/reference/singlestore-operator-reference.md)
* [SingleStore Tools Reference](https://docs.singlestore.com/db/v9.1/reference/singlestore-tools-reference.md)
* [SQL Reference](https://docs.singlestore.com/db/v9.1/reference/sql-reference.md)
* [Troubleshooting Reference](https://docs.singlestore.com/db/v9.1/reference/troubleshooting-reference.md)
* [System Databases](https://docs.singlestore.com/db/v9.1/reference/system-databases.md)
* [Information Schema Reference](https://docs.singlestore.com/db/v9.1/reference/information-schema-reference.md)
* [Data API](https://docs.singlestore.com/db/v9.1/reference/data-api.md)
* [Code Engine - Powered by Wasm](https://docs.singlestore.com/db/v9.1/reference/code-engine-powered-by-wasm.md)

***

Modified at: April 1, 2026

Source: [/db/v9.1/reference/](https://docs.singlestore.com/db/v9.1/reference/)

(An index of the documentation is available at /llms.txt)