> On Nov 9, 2022, at 1:39 PM, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
> Presumably this means that I can create a tiny database with one table that lists a set of databases. Or maybe not.
No need to create such a database. It just means that the connection has to be made to some database, at which point system catalogs can be read.