Ozan Kahramanogullari <ozan.kah@gmail.com> writes:
> Well, I took the default settings when I was installing PostgreSQL. And,
> yes, I ran the "show" commands on the command line console; it gave an
> error. I ran the "show" commands on the psql prompt that delivered nothing,
> no error as well.
Nothing? That seems pretty unlikely. It should look something like this:
$ psql postgres
psql (12devel)
Type "help" for help.
postgres=# show hba_file;
hba_file
-----------------------------------------
/Users/tgl/testversion/data/pg_hba.conf
(1 row)
Maybe you forgot the command-ending semicolon, or something?
regards, tom lane