create table member(
id varchar2(10) primary key,
password varchar2(10) not null,
name varchar2(15) not null,
email varchar2(25) ,
phone varchar2(13),
reg_date date);
create table guestbook(
no number primary key,
id varchar2(10) not null,
title varchar2(50) not null,
content varchar2(200),
reg_date date);
create sequence guestbook_seq;