Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# Managing roles in RBAC
Managing roles

To perform the following actions, use the following commands:
+ To create a role, use the [CREATE ROLE](r_CREATE_ROLE.md) command.
+ To rename a role or change the owner of the role, use the [ALTER ROLE](r_ALTER_ROLE.md) command.
+ To delete a role, use the [DROP ROLE](r_DROP_ROLE.md) command. 
+ To grant a role to a user, use the [GRANT](r_GRANT.md) command. 
+ To revoke a role from a user, use the [REVOKE](r_REVOKE.md) command. 
+ To grant system permissions to a role, use the [GRANT](r_GRANT.md) command. 
+ To revoke system permissions from a role, use the [REVOKE](r_REVOKE.md) command. 

To view a list of roles in your cluster or workgroup, see [SVV\$1ROLES](r_SVV_ROLES.md).