CREATE GROUP — define a new database role
CREATE GROUPname
[ [ WITH ]option
[ ... ] ] whereoption
can be: SUPERUSER | NOSUPERUSER | CREATEDB | NOCREATEDB | CREATEROLE | NOCREATEROLE | CREATEUSER | NOCREATEUSER | INHERIT | NOINHERIT | LOGIN | NOLOGIN | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password
' | VALID UNTIL 'timestamp
' | IN ROLErolename
[, ...] | IN GROUProlename
[, ...] | ROLErolename
[, ...] | ADMINrolename
[, ...] | USERrolename
[, ...] | SYSIDuid