ERROR: permission denied for relation

GRANT ALL PRIVILEGES ON TABLE your-table TO your-user;

SELECT grantee, privilege_type FROM information_schema.role_table_grants WHERE table_name='mytable';

SELECT grantor, grantee, table_schema, table_name, privilege_type FROM information_schema.table_privileges WHERE grantee = 'myuser'

See also

• PostgreSQL: Database roles, CREATE USER, CREATE ROLE, \du, \du+, create user, Alter user
• GRANT, \ddp, GRANT USAGE, GRANT ALL PRIVILEGES, GRANT SELECT, View GRANTs on Redshift, has_table_privilege, has_schema_privilege, HAS_DATABASE_PRIVILEGE, SCHEMA, Privileges, GRANT EXECUTE
• PostgreSQL: psql, .psqlrc, .pgpass, $HOME/.pg service.conf, -U, -W, -d, meta-commands: \du, \dg, \ddp, \dp, \list, \dn, \dt, \c, \l, \di, \q, show users, show, su - postgres, psql -c, \?, \connect, \conninfo, --version, --help, PL/pgSQL