View details for, and create, database users. More information: https://docs.digitalocean.com/reference/doctl/reference/databases/user.
doctl databases user
command with an access token:doctl databases user command --access-token access_token
doctl databases user get database_id user_name
doctl databases user list database_id
doctl databases user reset database id user_name
doctl databases user reset database_id user_name caching_sha2_password|mysql_native_password
doctl databases user create database_id user_name
doctl databases user delete database_id user_name