# 创建用户

CREATE USER — 定义一个新的数据库角色

# 概要

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' | PASSWORD NULL
    | VALID UNTIL 'timestamp'
    | IN ROLE role_name [, ...]
    | IN GROUP role_name [, ...]
    | ROLE role_name [, ...]
    | ADMIN role_name [, ...]
    | USER role_name [, ...]
    | SYSID uid

# 描述

创建用户现在是别名创建角色.唯一的区别是当命令拼写时创建用户,登录默认情况下假定,而登录在拼写命令时假定创建角色.

# 兼容性

创建用户语句是 PostgreSQL 扩展。SQL 标准将用户的定义留给实现。

# 也可以看看

创建角色