No, pgAdmin4 only supports PostgreSQL 9.2 and later versions.
On Tue, 6 Aug 2019, 01:45 Benedict Holland, <benedict(dot)m(dot)holland(at)gmail(dot)com>
wrote:
> The subject says it all. I am using a very old database that I cant
> upgrade. Do I have to manage it with pgadmin3 or can I use postgresql 4?
>
> Thanks,
> ~Ben
>