Get DB owner's name in PostgreSql

Question

I have DB \"test\" in PostgreSql. I want to write sql to get owner my database.

Answer 1

The follwing query displays info for all tables in the public schema:

 select t.table_name, t.table_type, c.relname, c.relowner, u.usename
 from information_schema.tables t
 join pg_catalog.pg_class c on (t.table_name = c.relname)
 join pg_catalog.pg_user u on (c.relowner = u.usesysid)
 where t.table_schema='public';

source :http://cully.biz/2013/12/11/postgresql-getting-the-owner-of-tables/