https://chartio.com/resources/tutorials/how-to-log-queries-in-postgresql/
https://stackoverflow.com/questions/1348126/postgresql-modify-owner-on-all-tables-simultaneously-in-postgresql

grant/revoke

grant all privileges on database <name> to <user-role>;
reassign owned by <old-owner> to <new-owner>;

create policy...
current_user()

!!! it is very important to specify owning user while creating/initializing DB
    initdb -U <user-name> ...
pwd
    postgres=# ALTER USER postgres PASSWORD 'PGSQL-123';

list
    \du
    \du+
    https://www.postgresqltutorial.com/postgresql-list-users/
    select * from pg_catalog.pg_user;

https://www.a2hosting.com/kb/developer-corner/postgresql/managing-postgresql-databases-and-users-from-the-command-line

https://stackoverflow.com/questions/5189026/how-to-add-a-user-to-postgresql-in-windows

make superuser
https://chartio.com/resources/tutorials/how-to-change-a-user-to-superuser-in-postgresql/

qa
https://stackoverflow.com/questions/8092086/create-postgresql-role-user-if-it-doesnt-exist