CREATE USER
CREATE USER —定义一个新的数据库角色
Synopsis
CREATE USER name [ [ WITH ] option [ ... ] ]
where option can be:
SUPERUSER | NOSUPERUSER
| CREATEDB | NOCREATEDB
| CREATEROLE | NOCREATEROLE
| INHERIT | NOINHERIT
| LOGIN | NOLOGIN
| REPLICATION | NOREPLICATION
| BYPASSRLS | NOBYPASSRLS
| CONNECTION LIMIT connlimit
| [ ENCRYPTED ] PASSWORD 'password'
| VALID UNTIL 'timestamp'
| IN ROLE role_name [, ...]
| IN GROUP role_name [, ...]
| ROLE role_name [, ...]
| ADMIN role_name [, ...]
| USER role_name [, ...]
| SYSID uid
Description
CREATE USER现在是CREATE ROLE的别名。唯一的区别是，将命令拼写为CREATE USER时，默认情况下假定为LOGIN，而将命令拼写为CREATE ROLE则假定为NOLOGIN。
Compatibility
CREATE USER语句是 PostgreSQL 扩展。 SQL 标准将用户的定义留给实现。