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
Use the smallest possible column size
Don't make it a practice to use the maximum column size for convenience.
Instead, consider the largest values you are likely to store in your columns and size them accordingly. For instance, a CHAR column for storing U.S. state and territory abbreviations used by the post office only needs to be CHAR(2).