Answers for "access privileges postgres"

grant all privileges database postgres to user

GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA schema_name TO username;

psql set access privileges

REVOKE ALL ON DATABASE example_database FROM example_user;
GRANT CONNECT ON DATABASE example_database TO example_user;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO example_user;

grant all privileges database postgres to user

GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA schema_name TO username;