For more information about permissions, see Resource Policies for GetClusterCredentials in the Amazon Redshift Cluster 窶ｦ Redshift stores your snapshots for a user-defined period, which can be from one to thirty-five days. Getting the list of users belonging to a group in Redshift seems to be a fairly common task but I don't know how to interpret BLOB in grolist field. It provides an excellent approach to analyzing all your data using your existing business intelligence tools. I didn't know that could only be done by the root user, I wonder if a user with the correct rights can also do it. You have a grace period of one year to back-date renew your existing maintenance. User passwords are set to never expire. We do not have a method for them to reset it from off-site (yet).