text: CREATE DATABASE exercises{$DBNAME};
  \c exercises{$DBNAME};
  GRANT CONNECT ON DATABASE exercises{$DBNAME} TO pgexercises;
  GRANT CONNECT ON DATABASE exercises{$DBNAME} TO pgeadmin;
  GRANT CREATE ON DATABASE exercises{$DBNAME} to pgeadmin;
  REVOKE ALL PRIVILEGES ON SCHEMA PUBLIC FROM pgexercises;
  REVOKE ALL PRIVILEGES ON SCHEMA PUBLIC FROM pgeadmin;
  