개발

create table tb_reply( rno number(10,0), bno number(10,0) not null, reply varchar2(1000) not null, replyer varchar2(50) not null, replyDate date default sysdate, updateDate date default sysdate ); alter table tb_reply add constraint pk_reply primary key(rno); alter table tb_reply add constraint fk_reply_board foreign key (bno) references tb_board(bno); tb_board 의 bno를 fk로 가짐 rno를 pk로 가짐