无法在CREATE TABLE中使用内联约束

Question

我在Oracle中将以下内容作为CREATE TABLE：

CREATE TABLE cs2_users (
    empnum     varchar2(12) PRIMARY KEY,
    toolsId    varchar2(20) 
        CONSTRAINT nn_cs2_users_toolsId NOT NULL
        CONSTRAINT fk_cs2_users_users FOREIGN KEY REFERENCES users.userid,
    admin      number(1,0) DEFAULT 0
        CONSTRAINT nn_cs2_users_admin NOT NULL
        CONSTRAINT ck_cs2_users_admin (admin IN (0,1)),
    givenname  varchar2(30) NOT NULL,
    middlename varchar2(30),
    sn         varchar2(30) NOT NULL,
    mail       varchar2(50) NOT NULL
);

然而它失败并出现此错误：

ERROR at line 5:
ORA-02253: constraint specification not allowed here`

当我使用SQL * Plus连接时，这是版本信息：

SQL*Plus: Release 11.2.0.3.0 Production on Tue Dec 18 16:38:27 2012

Copyright (c) 1982, 2011, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

帮助？