jsp message board source code 1: for beginners of jsp.

jsp message board source code 1: for beginners of jsp.
Author: precom (Cleaved Egg)
oracle data table creation.

create table guestbook (
lw_title varchar2(100) not null, --Message topic
lw_author varchar2(20) not null, --Online name pk
author_http varchar2(40) , --Home page address
author_email varchar2(40) not null,--email pk
expression varchar2(2) not null,--expression
lw_time varchar2(14) not null,--Posted response time
answer_num number(3) not null,--number of responses
click_num number(4) not null,--number
author_ip varchar2(16) ,--Source ip
lw_class1 varchar2(10) not null,--Message Board category pk
lw_class2 varchar2(20) not null,--Forum column pk
lw_type varchar2(1) not null,--Message category, that is, whether it is the main post

zt_time varchar2(14) ,--Main post time
zt_author varchar2(40) ,--main post email
lw_content varchar2(4000) ,--Content
constraint pk_guestbook primary key(lw_class1,lw_class2,lw
_time,lw_author)
) storage (initial 5M next 5M pctincrease 1);