Amazon Redshift will no longer support the creation of new Python UDFs starting November 1, 2025.
If you would like to use Python UDFs, create the UDFs prior to that date.
Existing Python UDFs will continue to function as normal. For more information, see the
blog post
Amazon Redshift best practices for designing tables
As you plan your database, certain key table design decisions heavily influence overall query performance. These design choices also have a significant effect on storage requirements, which in turn affects query performance by reducing the number of I/O operations and minimizing the memory required to process queries.
In this section, you can find a summary of the most important design decisions and best practices for optimizing query performance. Automatic table optimization provides more detailed explanations and examples of table design options.