# SQL References

The NeuronEX data processing module provides a SQL-like query language for performing transformations and calculations on data streams. This article introduces the syntax, usage, and best practices of the Data Processing Module query language.

- [query language elements](query_language_elements.md)
- [lexical elements](lexical_elements.md)
- [data types](data_types.md)
- [JSON expression](json_expr.md)
- [Built-in functions](./functions/overview.md)
- [Window](windows.md)