Don't be afraid of using your chosen database's command-line client. I might as well say this up front: I don't like using GUI (aka non-command-line or graphical) tools with my databases. This is ...
The psql command-line tool is used to interact with a PostgreSQL database. It allows you to execute SQL queries, run scripts, and perform administrative tasks.
You should install the SnapCenter Plug-in for PostgreSQL cluster by using the SnapCenter user interface (UI). If your environment does not allow remote installation ...