你能授予oracle集群对象的权限吗？

I'm trying to allow an oracle user (userA) privileges to create a table on a cluster in another user's schema (userB). I can't find the relevant privilege to grant, and granting ALL PRIVILEGES on the cluster to userA complains that the table or view doesn't exist. Is what I'm trying to do possible? I also notice there isn't an ALL_CLU_COLUMNS dictionary table; is this related?I'm trying to allow an oracle user (userA) priv