what

$ psql -U postgres -h localhost
psql (11.4, server 9.6.13)
Type "help" for help.

postgres=> \l
                                                List of databases
     Name      |       Owner       | Encoding |  Collate   |   Ctype    |            Access privileges
---------------+-------------------+----------+------------+------------+-----------------------------------------
 cloudsqladmin | cloudsqladmin     | UTF8     | en_US.utf8 | en_US.utf8 |
 destination   | postgres          | UTF8     | en_US.utf8 | en_US.utf8 |
 postgres      | cloudsqlsuperuser | UTF8     | en_US.utf8 | en_US.utf8 |
 source        | postgres          | UTF8     | en_US.utf8 | en_US.utf8 |
 template0     | cloudsqladmin     | UTF8     | en_US.utf8 | en_US.utf8 | =c/cloudsqladmin                       +
               |                   |          |            |            | cloudsqladmin=CTc/cloudsqladmin
 template1     | cloudsqlsuperuser | UTF8     | en_US.utf8 | en_US.utf8 | =c/cloudsqlsuperuser                   +
               |                   |          |            |            | cloudsqlsuperuser=CTc/cloudsqlsuperuser
(6 rows)

postgres=> \c destination
psql (11.4, server 9.6.13)
You are now connected to database "destination" as user "postgres".
destination=> \d
                 List of relations
 Schema |        Name        |   Type   |  Owner
--------+--------------------+----------+----------
 public | application        | table    | postgres
 public | application_id_seq | sequence | postgres
 public | policy             | table    | postgres
 public | user               | table    | postgres
 public | user_id_seq        | sequence | postgres
(5 rows)

destination=> reassign owned by postgres to ccccccjekvbfghkbbrnfdkrkbtrreggiincehjtjudcd;
REASSIGN OWNED
destination=> \l
                                                              List of databases
     Name      |                    Owner                     | Encoding |  Collate   |   Ctype    |            Access privileges
---------------+----------------------------------------------+----------+------------+------------+-----------------------------------------
 cloudsqladmin | cloudsqladmin                                | UTF8     | en_US.utf8 | en_US.utf8 |
 destination   | ccccccjekvbfghkbbrnfdkrkbtrreggiincehjtjudcd | UTF8     | en_US.utf8 | en_US.utf8 |
 postgres      | cloudsqlsuperuser                            | UTF8     | en_US.utf8 | en_US.utf8 |
 source        | ccccccjekvbfghkbbrnfdkrkbtrreggiincehjtjudcd | UTF8     | en_US.utf8 | en_US.utf8 |
 template0     | cloudsqladmin                                | UTF8     | en_US.utf8 | en_US.utf8 | =c/cloudsqladmin                       +
               |                                              |          |            |            | cloudsqladmin=CTc/cloudsqladmin
 template1     | cloudsqlsuperuser                            | UTF8     | en_US.utf8 | en_US.utf8 | =c/cloudsqlsuperuser                   +
               |                                              |          |            |            | cloudsqlsuperuser=CTc/cloudsqlsuperuser
(6 rows)