CREATE USER name [ [ WITH ] option [ ... ] ] ������option�ϰʲ����̤�Ǥ��� SUPERUSER | NOSUPERUSER | CREATEDB | NOCREATEDB | CREATEROLE | NOCREATEROLE | CREATEUSER | NOCREATEUSER | INHERIT | NOINHERIT | LOGIN | NOLOGIN | CONNECTION LIMIT connlimit | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password' | VALID UNTIL 'timestamp' | IN ROLE rolename [, ...] | IN GROUP rolename [, ...] | ROLE rolename [, ...] | ADMIN rolename [, ...] | USER rolename [, ...] | SYSID uid
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