On Mon, Mar 20, 2023 at 9:13 AM DAVID ROTH <adapt...@comcast.net> wrote:
> Is there any good reference to explain the best usage of each of these > structures. > I am coming from Oracle. What is the best analog to Oracle's "user". > A schema is a namespace mechanism for objects. It has no relationship to roles aside from the possibility, if you so choose, to define a schema to have the same name as a role, in which case that schema becomes parts of that role's default search_path. There is no low-level difference between role and user. A user is a role with the login privilege. David J.