I wanted to do the PostgreSQL 4 Everybody course (PG4E) with Datagrip as my client.
Unfortunately, I can't make it work, seems there is an error with permission.
Adding Data Source:
But afterwards I get this Error:
 org.postgresql.util.PSQLException: ERROR: permission denied for table pg_database.
If you want to try on your own, you can get a database instance here with login data:
There is an instruction for using DBeaver:
I followed it with DBeaver and everything works great, the databases are showing as expected:
Maybe somebody can help a database newbie :)