1. -- 用户登录表
    2. create table LOGINUSER
    3. (
    4.   loginid  NUMBER not null,
    5.   pwd      VARCHAR2(30) not null,
    6.   isonline VARCHAR2(30) default 'false' not null
    7. )
    8. tablespace USERS
    9.   pctfree 10
    10.   initrans 1
    11.   maxtrans 255;