java权限系统数据库的设计,三张表的那种答:create table T_USER (USERID NUMBER(10),USERNAME VARCHAR2(50),PASSWORD VARCHAR2(70),TRUENAME VARCHAR2(50),EMAIL VARCHAR2(100),ADDRESS VARCHAR2(200),TEL VARCHAR2(50),STATE VARCHAR2(1) default '1',MEMO VARCHAR2(100),ROLEID NUMBER(10),RANK NUMBER(2),G...