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2026-05-18 06:40:19 +00:00

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SQL

--- List users present in postgres:
postgres=# select usename,usesuper,valuntil from pg_user;
usename | usesuper | valuntil
---------------+----------+---------------------------
postgres | t |
test_dbuser1 | f | 2020-08-08 00:00:00+05:30
postgres#select usename,usesuper,valuntil from pg_shadow;
usename | usesuper | valuntil
---------------+----------+---------------------------
postgres | t |
test_dbuser1 | f | 2020-08-08 00:00:00+05:30
postgres#select usename,usesuper,valuntil from pg_shadow;
postgres=# \du
List of roles
Role name | Attributes | Member of
---------------+------------------------------------------------------------+-----------
postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {}
test_dbuser1 | Password valid until 2020-08-08 00:00:00+05:30 | {}
NOTE - > \du command output includes both user and roles(custom created roles only).
postgres users are bydefault role, but roles are not bydefault user.