CREATE TABLE T_Test (
 userid integer NOT NULL ,
 username varchar (50) Default 'Chen' NOT NULL ,
 password varchar (30) Default '我的' NOT NULL ,
 telephone varchar (20) Default '112323' NOT NULL ,
 Address varchar (50) Default 'sss'   ,
 Discription varchar (200) Default 'sssss'   ,
 jjjjjj varchar (122) Default '333' NOT NULL ,
 hhhh varchar (23) Default '111' NOT NULL
);
ALTER TABLE T_Test add
 CONSTRAINT PK_T_Test PRIMARY KEY(userid);
comment on table T_Test is '用户信息表';
comment on column T_Test.userid is '主键ID' ;
comment on column T_Test.username is '用户名' ;
comment on column T_Test.password is '密码' ;
comment on column T_Test.telephone is '用户电话' ;
comment on column T_Test.Address is '用户地址' ;
comment on column T_Test.Discription is '用户介绍' ;
comment on column T_Test.jjjjjj is '试试看' ;
comment on column T_Test.hhhh is '试试看撒' ;