

 Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026. We will start enforcing it in phases. For more information on the details of Python end of life and migration options, see the [ blog post ](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/) that was published on June 30, 2025. 

# Using SQL
<a name="c_SQL_reference"></a>

**Topics**
+ [SQL reference conventions](c_SQL_reference_conventions.md)
+ [Basic elements](c_Basic_elements.md)
+ [Expressions](r_expressions.md)
+ [Conditions](r_conditions.md)

The SQL language consists of commands and functions that you use to work with databases and database objects. The language also enforces rules regarding the use of data types, expressions, and literals.